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| O [Baseball] |
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Universal suffix on the end of any Australian male's name when given praise or encouragement, such as "Top hit, Steve-o!" or "C'mon Rob-o, put it past him!" or "Great base running, Dave-o!"
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| O Goshi [Martial Arts] |
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A basic hip throw.
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| O Guruma [Martial Arts] |
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A wheel throw, on which the opponent is slung vertically around the attacker's waist.
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| O Sensei [Martial Arts] |
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"Great teacher." The honorific prefix "o" attached the word sensei indicates respect and acknowledgement of the chief instructor of a system. Most commonly associated with Uyeshiba Morihei, founder of modern day Aikido.
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| O-Yumi [Archery] |
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[1] A large bow, Japan.
[2] A crossbow used in the defence of a castle, Japan.
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| O.D.M.-O.D.S. [Horse Racing] |
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This indicates that the horse/s in question is excluded right from the barrier draw in Mobile or Standing Start Events (wherever applicable).
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| O.H.C. [Motor Sports] |
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Overhead cam.
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| O.O.P. [Greyhound Racing] |
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Abbreviation used in a greyhound's race chart that describes the greyhound as finishing Out Of Picture.
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| O.P. Smith [Golf] |
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Owen Patrick Smith, inventor of a revolutionary mechanical lure, circa 1912, that could travel around a circular track; considered the “Father” of American greyhound racing.
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| Oaks [Greyhound Racing] |
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A classic race restricted to three-year-old fillies.
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| Oar [Sailing] |
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A stick with a blade at the end used to row a rowboat. Oars are different than paddles because they have a provision to be secured to the rowboat for rowing, such as an oarlock.
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| Oarlock [Sailing] |
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A device to attach oars to a rowboat, allowing the operator to row rather than paddle the boat.
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| Oarsman [Rowing] |
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A rower of either sex.
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| Ob [Poker] |
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Open Blind (Game in which the player to the dealer's left blinds the pot, that is, puts in a bet equal to the limit of the game before receiving his cards.)
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| Oba [Baseball] |
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On-base Against
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| Obi [Martial Arts] |
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The sash that holds the jacket closed. (Judo)
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| Obi Goshi [Martial Arts] |
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Throwing the opponent by grasping his belt or sash.
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| Object of Game [Blackjack] |
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In Blackjack, to walk away from the table with more money than you started with, hopefully a lot more. Accomplished by beating the dealer consistently and not merely getting 21.
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| Objection [Horse Racing] |
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A verbal or written statement against the eligibility of a horse for a particular race, or one made against the judge's placings in a race, after the all clear has been signalled (as opposed to a protest, in which the complaint is lodged before the all clear has been signalled).
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| Objection Sign [Horse Racing] |
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A sign displayed on the tote board to indicate a foul has been claimed.
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| Obp [Baseball] |
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(H + BB = HBP)/(AB + BB + HBP + SF)
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| Obp+Slug [Baseball] |
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On-base percentage plus slugging percentage.
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| Obp+Slug (Ops) [Baseball] |
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On-base percentage plus slugging percentage.
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| Obrb [Poker] |
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1) The term usually applies to a draw game, generally lowball, and is often shortened to OBRB. A game in which the first player to the dealer's left blinds the pot and the next player raises before getting his cards. Often called just raise blind. 2) This is usually part of a proposition. That is, one player asks another, "Open blind, raise blind?" This means, "If you open the pot blind, I will raise you blind."
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| Obrbrb [Poker] |
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1) The term usually applies to a draw game, generally lowball, and is often shortened to OBRBRB. A game in which the first player to the dealer's left blinds the pot, the next player raises blind before getting his cards, and the next player raises before getting his cards. Since this puts six bets into the pot before the cards are dealt, the effect is to increase the action of the game. Often shortened to re-raise, and sometimes called raise blind. 2) This is usually part of a proposition. A player who asks another, "open blind, raise blind, re-raise blind?" is saying, "I will open the pot blind and re-raise you back blind if you promise to raise blind."
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| Observed Position [Sailing] |
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A position or fix determined by observing landmarks or other objects to find the position.
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| Observer [Golf] |
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An official who watches golfers, usually on a specific section of the course, and reports any breach of rules to the referee.
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| Obstacle [Equestrian Sports] |
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Any object that a horse must clear to complete the course in show jumping and the three-day event, such as a fence, gate, or water jump.
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| Obstruction [Field Hockey] |
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Field hockey players may not use their sticks or bodies to prevent other players from hitting the ball. Doing so is obstruction. It's also obstruction if the goalkeeper lies on the ball. See also third-party obstruction.
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| Oca [General] |
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Olympic Council of Asia.
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| Occulting Lights [Sailing] |
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A navigational light which turns on and off in a regular pattern, but is on more than it is off. The opposite of a blinking light.
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| Occurrence [Motor Sports] |
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Any event that resulted in a loss or damage to the insured or the insured's property.
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| Ocd Lesion [Horse Racing] |
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A cartilaginous or bony lesion that is the result of a failure in development.
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| Ocean [Sailing] |
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(1) The large body of salt water covering seven tenths of the earth. (2) The Atlantic, Pacific, Indian, and Arctic Oceans.
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| Ocho [Poker] |
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8; generally used to refer to the card, or, in lowball, to the rank of the hand (when it contains no pair), as determined by its largest card.
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| Ocir [Motor Sports] |
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Orange County International Raceway.
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| Octane [Motor Sports] |
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The hydrocarbon substance in gasoline that reduces engine knock or pinging, which is a noise caused by premature ignition of fuel in the cylinder combustion chamber. The higher the octane number, the less chance of premature ignition. High octane, which has a rating above 91, is useful only when recommended by the manufacturer.
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| Octave [Fencing] |
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The eighth guard or parry, made in a low line on the sword-arm side with the wrist supinated.
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| Octohedral [Golf] |
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Pattern of dimples on a ball comprised of four straight rows of dimples around the middle of the ball, with four around each pole. Small triangular arrays of dimples fill the remaining area on the ball. This creates 8 triangular groupings of dimples on the ball. This pattern was the predominant pattern prior to the 1970’s. The pattern may also be called attihedral.
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| Odachi [Martial Arts] |
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See "tachi."
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| Odd Chip [Poker] |
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When splitting a pot sometimes a chip is left over, usually of the smallest denomination for the game. That chip is called the odd chip, and various rules come into play to determine which player gets the chip.
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| Odd-Number Bet [Roulette] |
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A wager that one of the odd numbers will win the next spin.
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| Odds [General] |
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Chances of winning expressed in dollar (monetary) terms. Dividends displayed in dollar terms are inclusive of the unit of outlay. Odds can also be expressed in fractional terms showing the ratio of Win to Stake. Example: The New Zealand All Blacks to win the Rugby World Cup shows a dividend of $5. In fractional terms they would be quoted at 4/1 - for a stake (bet) of 1 unit you win 4 units for a total return of 5 units.
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| Odds against [General] |
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When the bookmaker's or totalisator's stake is greater than the investor's stake. For example, a horse that is quoted at 4-1 would be odds against, because if it wins a race, the bookmaker or totalisator returns $4 for every dollar an investor places on that horse, plus his or her original outlay.
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| Odds against-Odds on [General] |
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Represent the chances of any particular horse as quoted by the bookmakers. If a horse is quoted at 6/1 against its chance is 1 in 7, if it is 6 to 1 on, the chances of success are 6 in 7.
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| Odds Bets [Craps] |
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An additional wager on come, don't come, place, and don't place bets after the come-out roll. This is called to wager behind. You can wager behind x times the amount you could win, where x is the number of odds allowed. If you are playing craps with 2x odds it looks like this: you bet $10, you could win $20 and hence wager $40 behind. Some casinos offer up to 100x odds. To wager behind is what a good craps player will do and a criteria of a good craps game is how many odds the casino offers you. As the amount of allowed odds increases, the house advantage decreases considerably. When making the odds bet 1x the house edge is 0.85% / 0.68% (pass / don't pass). When making the odds bet 2x the house edge is cut down to 0.61% / 0.45% already.
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| Odds Board [Horse Racing] |
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A large signboard in the infield in front of the grandstand where the odds are posted, usually in lights. Other information may be listed, all part of the tote board.
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| Odds Compiler [General] |
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The person working for the bookmaker who sets the odds following research and his own feelings.
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| Odds Layer [General] |
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The person working for a bookmaker who sets the odds. The odds layer is usually an expert on one or two sports and concentrates entirely on setting the odds for those sports.
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| Odds Off [Craps] |
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Odd bets that are "not working". Odd bets can be called "off" by the player at any time, but are left on the felt until the bet is resolved. Also, come odds bets are usually "off" during the come out roll, unless the bettor asks to have the odds bets "working". Come odd bets that are "off" will be returned to the player if the line bet loses on the come out roll. Don't come odds generally work on the come-out roll.
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| Odds on [General] |
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When the resulting dividend will be less than an investor's stake, meaning the bookmaker or totalisator returns a smaller stake. For example, placing a winning $1 bet on a horse that is 2-1 on would give the investor 50 cents plus his or her original dollar, making a total return of $1.50 for the $1 outlay.
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| Odds on Favorite [General] |
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A horse, team or individual so favored by the public that the odds are less than even.
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| Odds-against [General] |
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Describes the odds when the amount you receive for a winning bet, not including your returned stake, is more than the amount you staked.
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| Odds-on [General] |
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Describes the odds when the amount you receive for a winning bet, not including your returned stake, is less than the amount you stake. For example you stake £1 at 8/13 (13/8 on) and receive £1.62, made up of your £1 stake and 62p winnings.
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| Odds-on Favorite [General] |
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A team or athlete so heavily favored that the odds are less than even
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| Oddsmaker [General] |
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A person who sets the line.
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| Odm [Horse Racing] |
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Outside draw mobiles. Horses which are required to requalify before competing again in registered races, may also be excluded from the barrier draw for future events and classified ODM, which means it will automatically be drawn in an outside barrier (such as barrier ten off the second row). A trainer may also request that a horse be declared ODM if they believe it is in the best interests of the horse and other runners.
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| Odometer [Motor Sports] |
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Indicates the number of miles a vehicle has been driven. It is illegal to tamper with the odometer reading.
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| Odometer Rollback [Motor Sports] |
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The illegal practice of rolling a vehicle's odometer back to indicate that it traveled fewer miles than it actually has.
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| Odometer Rollover [Motor Sports] |
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Occurs when the vehicle's mileage exceeds the mechanical limits of the odometer - usually 99,999 miles. This must be certified by the seller, under the Truth in Mileage Act.
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| Odori [Martial Arts] |
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(Japanese) The name of the typical dances of Okinawa. These dances contain many movements used in the daily movements of the peasants during their work.
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| Ods [Horse Racing] |
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Outside draw stands. (Similar to ODM, but in relation to standing start events).
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| Ofa [Baseball] |
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Outfield Assists
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| Off [Craps] |
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[1] An oral call by a player that certain of his bets will not be working on the next roll of the dice, such as place wagers. [2] A term signifying that certain bets on the layout will not be working on a come-out roll, such as place bets and odds bets on come numbers.
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| Off Bell [Horse Racing] |
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The bell that rings at the start of a race, shutting off the betting.
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| Off Camber Turn [Motor Sports] |
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A corner with negative banking (the inside edge of the corner is higher than the outside edge). Seldom if ever seen on ovals, but some road courses have them.
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| Off Keel [Rowing] |
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Descriptive of an unbalanced boat.
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| Off Line [Motor Sports] |
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Driving off the best racing line. Drivers will go off line to attempt a pass or to move out of the way of faster cars.
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| Off Lines [General] |
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The difference of amount the Las Vegas pointspread has compared with the computerized mathematical line.
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| Off Road [Motor Sports] |
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[1] A form of racing which runs on an unpaved, ungraded course.
[2] A phrase used in advertisements for racing parts and supplies to refer to the fact that a part may not be legal for use in a car that is driven on public roads.
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| Off Side [Horse Racing] |
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The right side of a horse.
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| Off Slow [Golf] |
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Broke several strides behind the rest of the field.
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| Off the ... [Croquet] |
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When a ball scores a wicket off another ball, it is off the red.
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| Off the Board [General] |
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Term used to signify that the bookmaker is not accepting bets on a particular event.
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| Off the Boards [General] |
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A situation in which bookmakers will accept no further action.
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| Off the Map [General] |
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A horse which has been sensationally backed is referred to as being backed off the map. This means numerous investors have placed substantial bets on that particular horse, resulting in a dramatic decrease in odds.
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| Off the Pace [Horse Racing] |
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To run behind the early leaders.
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| Off the Street [Poker] |
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Pertaining to winning a hand very early in a playing session, often by having been dealt very good cards. If you sit down at a newly-vacated seat, and, within a few minutes raise with a good hand, get a lot of action, and win a big pot, someone is sure to say, "Right off the street
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| Off the Wind [Sailing] |
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Sailing with the wind coming from the stern or quarter of the boat.
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| Off Track [Horse Racing] |
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An off track refers to a wet racing surface.
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| Off Wing [Ice Hockey] |
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A wing who is on the side opposite that on which he usually plays, or shoots from the "wrong side" for his position; e.g., a left wing stationed on the right wing or a right-handed shooter playing left wing.
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| Off-Course [General] |
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Away from the racecourse or event. This covers bookmakers operating retail outlets, telephone and internet services.
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| Off-Line Game [Lotto] |
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A game that does not require the use of a computer terminal for purchase. Instant and passive games are examples of off-line games.
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| Off-Piste [Skiing] |
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Any non-pisted area of skiable, and also un-patrolled snow. See also piste.
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| Off-Shore [General] |
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Bookmakers who are based outside the UK. There are three types of off-shore bookmakers - firstly, those that are the off-shore site run by an existing British bookmaker; secondly, those that are existing off-course bookmakers in another country, often Ireland; and the third type are internet and/or telephone bookmakers set up specifically to conduct off-shore business.
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| Off-Suit [Poker] |
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Not of the same suit, especially in reference to hole cards. Sometimes abbreviated to just "off. "I'll play KT off suit occasionally, but never in early position.
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| Off-Suited [Poker] |
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Not of the same suit, especially in reference to hole cards. Sometimes abbreviated to just "off. "I'll play KT off suit occasionally, but never in early position.
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| Off-Track [Horse Racing] |
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A racing surface that is not fast - muddy, sloppy, holding, binding or soft.
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| Off-Track Betting [Horse Racing] |
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Wagering at legalized betting outlets usually run by the tracks, management companies specializing in parimutuel wagering, or, in New York State, by independent corporations chartered by the state. Wagers at OTB sites are usually commingled with on-track betting pools.
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| Offense [Soccer] |
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The function of trying to score goals.
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| Offensive Board [Basketball] |
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1) The backboard behind the basket a team is shooting at. 2) An offensive rebound.
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| Offensive Foul [Basketball] |
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A personal foul committed by an offensive player. In the National Basketball Association and international amateur play, the ball is awarded to the opposing team for a throw-in. In college and high school play, an offensive foul is treated like a defensive foul, unless it's committed by the player handling the ball. See player control foul.
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| Offensive Winning Percentage (Owp) [Baseball] |
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The Winning Percentage a team of nine Fred McGriffs (or anybody) would compile against average pitching and defense. The formula: (Runs Created per 27 outs) divided by the League average of runs scored per game. Square the result and divide it by (1+itself).
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| Offensive Wrestler [Wrestling] |
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The offensive wrestler is the wrestler which maintains a position in which he controls and maintains restraining power over his opponent. The offensive wrestler is typically referred to as the "top man".
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| Office [Poker] |
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To give someone a signal; usually implies a secret signal between thieves or scammers, sometimes letting a partner know the holdings of another player (in which case the signal is also known as a sign).
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| Office Hours [Poker] |
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1) In high poker, two pair, 9s and 5s or 8s and 4s. 2) In lowball, a 9-5 hand. 3) In any high poker game, a full house involving 9s and 5s or 8s and 4s. 4) A straight, 5 to 9. 5) A straight, 4 to 8.
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| Official [Horse Racing] |
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The designation given to the result of a race by the stewards/racing judges when any occurrences that affected the actual order of finish have been decided in terms of pari-mutuel payoffs to winning bettors.
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| Official Game Clock [Soccer] |
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The clock that the referee carries with him on the field so he can signal when each half is over; does not stop during the game, even when play does.
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| Official Line [General] |
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The line that the bookmaker uses for wagering purposes. The line which comes from Las Vegas is quite often referred to as the official line; however, the line that your bookie offers you is actually your "official line". Many smart bettors like to know the Las Vegas official line so that they can compare to their local bookies in order to determine how badly they are being "faded".
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| Official Margins [Horse Racing] |
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The length each horse in a race finished behind the winner, as determined by the judge. Official margins between the first and second placegetter, and second and third placegetter, are displayed for public viewing at the paceway.
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| Official Scorer [Ice Hockey] |
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An official who keeps a record of the game, including goals scored and the time of each score, players credited with goals and assists, and substitutions.
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| Official Swingweight Scale [Golf] |
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A type of swingweight scale that uses a 12” fulcrum as its measuring point, providing balance in ounces and total weight in ounces or grams. Not typically used in many shops.
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| Officials [Soccer] |
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The referee and 2 linesmen who work together to make sure the game is played according to the rules of soccer; responsible for stopping and restarting play, keeping track of the score and the time remaining and citing violations of the rules, called fouls; they wear uniforms that distinguish them from the players on both teams.
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| Offset [Motor Sports] |
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[1] The difference in weight between the left and ride sides of the car.
[2] A physical offset of the body between the wheels, accomplished by making the right side suspension parts longer then the left.
[3] An offset of the engine to the left side of the car body. (4) Wheels can and are offset from the hub they are mounted on.
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| Offset Edges [Skiing] |
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Metal edges that are slightly protruding from the sidewall of a ski (but not the base) to allow for sharpening and tuning without damaging the sidewall.
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| Offset Skating [Skiing] |
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Also known as uphill two-skating, or open-field skating, or offset V-skating,or V-1 off-timing, this is two skating with a staggered (offset) pole plant on one side.
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| Offshore [Sailing] |
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Away from land, toward the water. See inland.
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| Offshore Wind [Sailing] |
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Wind that is blowing away from the land, towards the water.
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| Offside [Rugby] |
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A violation committed when a player crosses the gain line during a lineout, maul, ruck, or scrum before it has been completed, or when a player is in front of the ball while it is played by a teammate. A penalty is called if an offside player then plays the ball, obstructs or tackles an opponent, or is within 10 meters of an opponent waiting for the ball. The other side is awarded a penalty kick from the spot of infringement or a scrum at the place where the offending side last played the ball. See also accidentally offside.
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| Offside Position [Soccer] |
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An attacking player positioned so that fewer than 2 opposing defensive players (usually the goalie and 1 other defender) are between him and the goal he is attacking; a player is not offside if he is exactly even with one or both of these defensive players.
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| Offsides [Ice Hockey] |
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A violation which occurs when both skates of an attacking player cross the opponent’s blue line preceding the puck into the attacking zone or when a pass crosses more than one line without being touched (two-line pass); this is one of the most common calls made in a hockey game.
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| Offstrided [Golf] |
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Momentarily loses natural stride.
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| Ogier [Poker] |
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The jack of spades.
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| Oh Shit! Hand [Poker] |
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A hand on which a player has wagered his last chips and over which the player exclaims, "Oh shit!", ostensibly because he has missed his draw, but usually because he is trying to lure unwary flies into his web. Oh shit! hands are usually beat only by going home hands.
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| Oi Zuki [Martial Arts] |
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Forward lunge puch (same side arm and leg)
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| Oil (E.G. 10w-30) [Motor Sports] |
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Engine oil comes in various ratings: SAE 5W-30, 10W-30, 10W-40, etc. For example, a 10W-30 rated oil will flow like a light SAE 10-weight oil at low temperatures. The "W" signifies that it is a "winter" rated oil. The "30" designation means that at engine operating temperatures, the oil will behave like a heavier SAE 30-weight oil. Low viscosity at colder temperature allows the oil to circulate more quickly and protect vital engine parts. Higher oil viscosity at elevated temperatures prevents direct metal-to-metal contact.
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| Oil Modified Polyurethane [Golf] |
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Type of polyurethane used by most clubmakers, it cures from the bottom layer of finish to the top. Characterized by its slight amber color, it requires no special humidity-controlled conditions.
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| Oil Pump [Motor Sports] |
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An engine-driven pump that delivers oil, under pressure, to the engine's moving parts.
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| Oil Ring [Motor Sports] |
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The lowermost piston ring that scrapes off excess oil from the cylinder walls and returns it to the oil pan via vents in the ring and piston.
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| Oil, Synthetic [Motor Sports] |
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Oil that is not derived from raw petroleum. Synthetic oil has superior engine protection properties compared to conventional mineral oil. Synthetic oil costs 3-5 times more than mineral oil.
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| Oiled (Oiling) [Horse Racing] |
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Administration of mineral oil via nasogastric tube to relieve gas or pass blockage. Preventative procedure commonly used in long van rides to prevent impaction with subsequent colics. See colic.
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