Daub - A paste or liquid used to mark cards.
Dry - A player who has run out of funds and credit.
Deal - To give out the cards during a hand.
Dealer - A casino employee who deals the various games.
Dean - A smart gambler who can calculate odds and percentages.
Deep Pockets - A person with a large bankroll.
Designated Dealer - In poker games like Texas hold em,the player to the left of the dealer bets first.In a poker room where each game has a resident dealer, a different player serves as the designated dealer for each hand.
Desperado - A gambler who bets on credit with absolutely no way to pay if he loses.
Deuce - A two.
Deuce Dealers - A dealer who can peek at the top card and deal the next card if the top card is not to his advantage. (also-second dealer,mechanic or number two man.)
Dice - Two or more identical numbered cubes.
Die - Singular term for dice.
Dime Bet - $1,000 bet.
Discard Rack - Area of the table where the used cards are placed.
Dog - The underdog in any betting proposition.
Dog It - To be afraid to increase your bet during an extended winning streak.
Don't Come Bet - A bet placed on the Don't Come Bar.
Don't Pass Bet - A bet placed prior to the Come-Out Roll that a seven will be rolled before a point is repeated.
Don't Pass Line - Area of the table where the Don't Pass bets are placed. Also known as the Back Line.
Door Card - This is the first exposed card, or up card, in a player's hand in stud games.
Double Bet - A wager twice the size of a person's usual wager.
Double Down - To increase a wager after the first two cards are drawn, in exchange for receiving only one more card, by placing an amount equal to the original bet on the layout. Also known as Double Up.
Double Odds - An odds bet that is twice as large as the original Pass/Come bet.
Down Behind - What the dealer tells a Don't bettor when his bet has lost.
Down With Odds - Usually stated and executed by a dealer when paying off a Place Bet and moving the same player's Come bet onto a specific number, ensuring that the player is covered on the specific number.
Doubling Up - A wager twice the size of a person's usual wager.
Dozen Bet - A bet on twelve numbers in roulette, i.e. 1-12, 13-24 or 25-36.
Draw - In draw poker, the second round of cards that are dealt.
Draw Button - Allows video poker player to draw up to five new cards.
Drop Box - On a gaming table, the box that serves as a repository for cash, markers, and chips.
Dry - A player who has run out of funds and credit.
Ducks - A pair of Twos.
Dutch Book - A pricemakers odds line totaling more than 100%