BackdoorA draw that requires hitting on both the turn and the river to complete.Having two hearts with one heart on the flop is a backdoor flush draw — you need hearts on both the turn and river.Bad BeatLosing a hand where you were a strong statistical favorite. A common source of frustration in poker.Having pocket Aces lose to pocket Twos when a Two hits the river.BankrollThe total amount of money a player has set aside specifically for playing poker. Proper bankroll management is essential for long-term success.BarrelA bet on a particular street, usually as a continuation of aggression. "Double barrel" means betting the flop and turn; "triple barrel" adds the river.Big Blind (BB)The larger of the two forced bets posted before each hand. The big blind is posted by the player two seats to the left of the dealer button and sets the minimum bet for the preflop round.BlankA community card that appears unlikely to help any player's hand.A 2♣ on the river of a board with K♠ Q♦ J♥ 8♣ is considered a blank.BlindA forced bet posted before cards are dealt. The two players to the left of the dealer button post the small blind and big blind respectively.BluffBetting or raising with a weak hand to try to make opponents fold better hands. A fundamental poker strategy.BoardThe community cards dealt face-up in the center of the table. In Hold'em, the board consists of the flop (3 cards), turn (1 card), and river (1 card).BoatSlang for a full house (three of a kind plus a pair).K-K-K-7-7 is a "Kings full of Sevens" or just "a boat."BountyA cash prize awarded for eliminating a specific player in a tournament. In bounty tournaments, every elimination earns a reward.BroadwayAny card Ten or higher (T, J, Q, K, A). A "Broadway straight" is A-K-Q-J-10, the highest possible straight.BubbleThe stage of a tournament where one more elimination will bring remaining players into the money. The bubble player is the last person eliminated without winning a prize.Burn CardA card discarded face-down from the top of the deck before dealing the flop, turn, and river. This is done to prevent cheating.Button (BTN)The dealer position, marked by a disc. The most advantageous position at the table because you act last on all postflop streets.Buy-InThe amount of money required to enter a poker game or tournament. Cash games have minimum and maximum buy-ins; tournaments have a fixed entry fee.