Casinos Poker Rooms and Sportsbook Accepting USA Players

Entries O - Oz

O poker

Ob poker

Object of Game (blackjack)

Objection (general terms) - Complaint by one jockey against another regarding breach of rules during a race

Obrb poker

Obrbrb poker

Oca (general terms) - Olympic Council of Asia.

Ocho poker

Odd Chip poker

Odd-Number Bet roulette - A wager that one of the odd numbers will win the next spin.

Odds (keno) - The mathematical probability of an outcome. Expressed as a ratio.

Odds poker

Odds (All Odds Against) (general terms) - Percentage/Probability

Odds (general terms)

quoted at 4/1 - for a stake (bet) of 1 unit you win 4 units for a total return of 5 units.

Odds roulette - The likelihood of an event happening.

Odds (videopoker) - The likelihood that an event will happen.

Odds Against (general terms)

Odds Against-Odds on (general terms)

Odds Assessor (general terms) - Bookmaker.

Odds Bets (craps)

Odds Compiler (general terms)

Odds Layer (general terms)

Odds Off (craps)

Odds on (general terms)

Odds on Favorite (general terms) - A horse, team or individual so favored by the public that the odds are less than even.

Odds-Against (general terms)

Oddsmaker (general terms) - A person who sets the line.

Odds-Maker (general terms) - A person who sets the line.

Odds-on (general terms)

Odds-on Favorite (general terms) - A team or athlete so heavily favored that the odds are less than even

Off (craps)

Off (general terms) - Term meaning that bets are not working.

Off Lines (general terms)

Off the Board (general terms) - Term used to signify that the bookmaker is not accepting bets on a particular event.

Off the Boards (general terms) - A situation in which bookmakers will accept no further action.

Off the Map (general terms)

Off the Street poker

Off-Course (general terms)

Office poker

Office Hours poker

Official Line (general terms)


Off-Line Game (lotto)

Off-Shore (general terms)

Off-Suit poker

Off-Suited poker

Ogier poker - The jack of spades.

Oh Shit! Hand poker

Oj (craps) - 3&2. (32 was O.J. Simpson's football #)

Okie Bankroll poker

Okie Buster poker - The joker.

Oklahoma Bankroll poker

Old Age Pension (bingo) - 65

Oldsmobile poker

Omaha poker

Omaha / 8 poker - High-low split Omaha, with an 8-or-better qualifier for low.

On (bingo) - A player is said to be "on" when one or more cards they are playing lacks only one number for a "bingo."

On poker

On a Rush poker - In the middle of a rush.

On a Streak poker - In the middle of a streak.

On Base (craps) - The term for the dealers other than the stickman.

On Bet poker - The first wager made in any betting round. This usage is obsolete.

On Board poker

On Course Tote (general terms) - The totalisator which is situated at the track itself and utilises monies bet on course.

On Deck poker - On board (On the table; in the game.).

On his Own poker

On One's Belly poker - Honestly, in the sense of not cheating.

On the Board poker

On the Button poker - In the button position. "I was on the button, so I figured I could open light."

On the Come poker

On the Cuff poker

On the Finger poker

On the Flop poker - Pertaining to the flop in hold 'em.

On the Nose poker

On the Outside poker

On the Rail poker - Busted, that is, out of action, in the sense of being forced to watch the games from the rail.

On the River poker - The last card dealt in a hand of stud or Hold'em.

On the Sheet poker - Playing stake or cow.

On the Shelf poker

On the Side poker

On the Sleeve poker

On the Square poker

On the Square roulette - A game that is honest.

On the Stick (craps) - The term to indicate that a dealer is the stickman.

On the Turn poker - Pertaining to the fourth up card (the turn card) in hold 'em.

On the Up-and-Up poker - Pertaining to an honest game or situation.

On the Way (bingo)

On Tilt poker

On Tilt (general terms) - Losing the ability to rationalise bets and betting wildly on every race.

On Top poker

On-Course (general terms) - At the racecourse or event.

One poker - 1) A one-card draw, usually preceded by the. "Check to the one." 2) An ace. "I have three ones."

One Dozen (bingo) - 12

One Little Duck (bingo) - 2

One Little Flea (bingo) - 3

One More Time (bingo) - 79

One Pair poker

One Roll Bets (craps)

One Score (bingo) - 20

One-Armed Bandit (slots) - A popular slang term for the slot machine.

One-Card Draw poker

One-End Straight poker

One-Ended Straight poker - One-end straight.

One-Ender poker - One-end straight

One-Eyed poker

One-Eyed Jacks poker - The jack of spades and the jack of hearts.

One-Eyed King poker - The king of diamonds.

One-Eyed Man in the Game poker

One-Eyes poker

One-Gap poker - A hold'em starting hand in which the two cards are two apart in rank.

One-Gapper poker - Inside straight.

One-Handed Deal poker

One-on-One poker

One-Roll Bets (general terms) - Wagers that will win or lose depending on the next roll of the dice.

Onesies (slots) - Those slot players who insist on playing one coin/spin.

One-Table Satellite poker

One-Twoing poker - A form of cheating in which two thieves work as a team against one player.

One-Way Action poker

One-Way Cards poker

One-Way Straight poker - Inside straight.

Online Game (lotto)

On's (bingo) - Refers to the number of bingo faces per sheet. A 6 ON would have 6 faces per sheet.

Open (keno) - Any time the counter is open for taking wagers.

Open poker

Open at Both Ends poker - Pertaining to an open-ended straight.

Open Blind poker

Open Blind and Straddle poker

Open Blind, Raise Blind poker

Open Blind, Raise Blind, Reraise Blind poker

Open Cards poker - 1) Face-up cards in a stud game; up cards 2) The community cards in hold 'em and similar games.

Open Game poker

Open Light poker

Open on Anything poker

Open on Both Ends poker - Pertaining to an open-ended straight

Open Pair poker

Open Poker Dictionary poker

Open Seat poker - 1) A vacant position at a poker table. 2) An available position or chair for another player.

Open Two Doors (bingo) - 44

Open Up poker

Open-End Straight poker - Four cards to a straight which can be completed by drawing a card at either end.

Open-Ended Straight poker - Four cards to a straight which can be completed by drawing a card at either end.

Open-Ender poker - Four cards to a straight which can be completed by drawing a card at either end.

Opener poker

Openers poker

Open-Handed poker - A category of games characterized by a part of each player's hand being exposed.

Opening Bet poker - 1) Bring-in. Also called bring-in bet. 2) Early bet

Opening Line (general terms) - The initial list of point spreads for upcoming games.

Opening Requirements poker


Option poker

Optional Card poker

Oral Bet poker

Oral Declaration poker

Order of Cards in a Hand (videopoker)

Original Hand poker

Original Ticket (keno)

Orphans / Orphelins roulette

Oscar's Grind (blackjack)

Otoh (blackjack) - The acronym for On The Other Hand.

Ou (blackjack) - An abbreviation for over/under.

Out poker

Out (general terms) - Bookmaker usually refers to an illegal bookmaker.

Out (videopoker)

Out of Action poker

Out of Line poker

Out of Turn poker

Out on a Limb poker

Outdraw poker - To make a better hand than an opponent by merit of the cards you draw.

Outlaw Line (general terms)

Outlay (general terms) - The money an investor bets or wagers is called their outlay.

Out-of-Line Play poker - A bluff.

Outrun poker - To beat. Example: "Susie outran my set when her flush card hit on the river."

Outrun (videopoker) - To beat. Example: "This machine outran my hand."

Outs poker

Outside poker

Outside Bet roulette

Outside Numbers (craps) - The 4, 5, 9, and 10 as place numbers.

Outside Ticket (keno)

Outsider (general terms)

Outstanding in your Field (craps) - Betting that the next roll will be the total sum of 12 (6&6).

Over & Under (general terms)

Over poker

Over (general terms)

Over / Under (general terms)

Over / Under the Total (general terms)

Over Blind poker

Over Button poker

Over the Top poker

Over Weight (bingo) - 28

Over/Under (general terms)

Over/Under (O/U) (blackjack)


Over/Under the Total (general terms)

Overbet poker

Overcall poker

Overcard poker

Overcards poker .

Overhand Cut poker - A thieving maneuver in which the cards are cut in such a way as to restore their original order.

Overhand Shuffle poker

Overhand Stack poker

Overhead poker

Overkill poker

Overlay (general terms)

Overlays poker

Overlook poker

Overpair poker - In Hold'em, a pair in the hole that is larger than any community card on the board.

Overplay (general terms)

Overreach poker - Cheat while dealing, particularly involving a dealer's long reach.

Overround and Overbroke (general terms)

Overs poker

Overs Button poker

Oversize Ticket (O/S) (lotto)

Overtime (general terms)

Ozzie and Harriet (craps) - Betting that the next roll will be the total sum of 8 (4&4).