Any of the four non-aces needed for the lowest possible hand (2,3,4,5).
Usage: Like in sentence "I'll limp preflop with Ace-baby suited multiway if I'm sure there won't be a raise behind me." Or "I need a baby card."

To draw cards that make a hand that is different from the hand you were originally trying to make.
Usage: You back into a hand when you are intentionally in the pot to make a different hand than the one you ended up with. For example, if you flop a straight and up with a flush, you would say "I backed into a flush."

A holding of a pair in five-card stud (when the pair was formed with the first two cards dealt, one in the hole, and the other as the first upcard). Can be referred to as "wired".
Usage: Also used without dashes like Back to back. Like in sentence "Johnny Chan won back to back in 1987 and 1988".

Making a hand other than the one intended. Example: Having J/10 of Clubs with a flop of A of Clubs, 5 of Clubs. 6 of Spades. The turn and river are K & Q of Hearts. You made a straight instead of the intended (and more likely) flush.

When you have three cards that would support a flush, but you need the turn and river to make a flush.
Usage: Like in sentence "You have a pair, gutshot and the backdoor flush draw."

When you have three cards that would support a straight, but you need the turn and river to make a straight.
Usage: Like in sentence "He's likely got 6 outs and a backdoor straight possibility."

A nonplayer who finances an active player.
Usage: Like in sentece "How you gonna get into the tournament? I thought you were broke." "I have a backer."

A re-raise from a player who originally called.
Usage: Usually permitted only in home games, in which the rule that a raise must equal in size the previous bet or raise does not hold. Like in sentence "An oft-used ploy by many players is to backraise with small pairs."

When a hand is beaten by a lucky draw.
Usage: Like in sentence "I suffered one bad beat after another on my first Vegas trip."

A bad beat jackpot is offered by a poker room when a very good hand loses to an even better one.
Usage: For example: Player 1 holds AA Player 2 holds KK The community cards are: AAKKQ Player 2 would have four of a kind, Kings but still lose to Player 1 who holds four of a kind, Aces. This is usually enough to trigger a bad beat jackpot for the hand. Normally the losing player in this hand would be awarded 50% of the jackpot fund, the winner gets 25% and other players who took part in the hand get the remaining 25%. Different poker rooms offer different levels of payouts for bad beat jackpots and have different losing hand requirements, for example, Party Poker bad beat jackpot winners must lose with a hand of four 8s or better to qualify.

The amount of money you have.
Usage: Many serious poker players have a separate bankroll just for poker. If you bankroll someone, you are giving them money to play with, usually in exchange for a percent of their profit. Like in sentence "She doubled her bankroll after 1 month of playing the PartyPoker."

Short for a Full Barn which is slang for a Full House.
Usage: Like in sentence "Between two barns, the one with the higher ranking set of trips wins". Used very rarely.

When everyone folds to the players who have forced bets.
Usage: Like in sentence "I don't think you can get in a habit of folding AQ in a battle of the blinds against a loose aggressive opponent."

A $6 bet made with a red $5 chip and a white $1 chip, named after the color of horses.
Usage: Such a bet would be made in a $3-$6 limit game. Bay comes from horseracing, where it is a reddish brown horse with black markings; red casino chips often have black markings on their edges.

Or Beat the Table. To have a hand better than all others showing.
Usage: Like in sentence "Your friend would actually win though because his 6d beats the board and you can't beat the board."