Casino Glossary: O
| A | B | C | D | E | F | G | H | I |
| J | K | L | M | N | O | P | Q | R |
| S | T | U | V | W | X | Y | Z |
Odds: The mathematical possibility that a certain outcome will happen.
Odd / Even Bet: An outside bet that pays 1:1 that the winning number will be either odd or even.
Off: A call by a player than his bet(s) will not be working on the next roll of the dice.
On: A call by a player than his bet(s) will be working on the next roll of the dice.
On The Stick: A term that refers to a particular dealer will now be working as a stickman for a period of time.
One Armed Bandit: A "slang" name given to the slot machine back in the 1940's given that the mob had significant interest in many casinos, it is still used today, as loosing money on slot machines is like being robbed.
One Roll Bet: A wager on the outcome of the next throw of the dice.
Online Slots: Online slot machines work in the same manner as slot machines that you'll find at any casino. The outcome of any winning or loosing combination is determined by the RNG. To play online slots for real money requires you to have an account with an online (internet) casino.
Original Ticket: The original blank ticket used by a player to select their desired numbers to wager, which was also presented to the keno writer.
Orphans / Orphelins: A wager on three specific numbers on the roulette wheel which are neighbors, 6, 34 and 17 and is common in European casinos.
Outside Bet: Includes all even money and 2:1 column bets found on the outside of the layout, Red, Black, Odd, Even, High or Low.




