Backdoor
Turn and River are needed to complete the hand. For example a Backdoor Straight or a Backdoor Flush (also called Runner-Runner).
Bad Beat
Remember how your excellent Aces Full lost to 4 Jacks on the River? That was a Bad Beat. A Bad Beat is when you lose with a very strong hand.
Bankroll
The amount of money that you put aside to play poker. Do not confuse with the Stack. One of the most important aspects of playing poker successfully is the art of Bankroll Management.
BB
BB is the often used abbreviation for Big Blind. It is the stake that has to be put on the table by the player 2 seats left of the Dealer before the cards are being dealt. In a $5/$10 Cash Game this amount would be $10.
Bet the Pot
Making a Bet equal to the amount that is currently in the Pot.
Big Bet
At Fixed Limit games this is the highest possible Bet or Raise. In a $5/$10 Fixed Limit Game the Big Bet would be $10. Also see Small Bet.
Big Blind
The Big Blind often gets abbrevated and is denoted as BB. It is the stake that has to be put on the table by the player 2 seats left of the Dealer before the cards are being dealt. In a $5/$10 Cash Game this amount would be $10.
Big Slick
A common expression for AK in your pocket cards.
Blind
Chips that have to be brought into play before the cards are being dealt. In Texas Hold'Em there is a Small Blind and a Big Blind.
Blind Levels
In most poker tournaments the Blind Levels will be raised after a certain amount of time in order to accelerate game play and adjust to the growing Stacks of the remaining players. A common time frame in online poker tournaments is 10 minutes after which the Blind Level will advance.
Blind Raise
Raising without having taken a look at your own cards is called a Blind Raise.
Bluff
Is the attempt to pretend to have a better (or worse) hand than you actually have. The most common Bluff action is to claim to have a superior hand and make your opponent Fold his hand - despite him very likely having a stronger hand than you.
Board
See Board Cards.
Board Cards
Also called Community Cards. The Board Cards can be used by all players. In Texas Hold'Em and Omaha there are 5 Board Cards in the middle of the table, consisting of Flop, Turn and River.
Bottom Pair
A Pair that can be combined out of your own cards and the lowest card of the Flop. Also see Middle Pair and Top Pair.
Brick and Mortar
Brick and Mortar Casinos are actual, real Casinos as opposed to their online counterparts.
Bubble
The Bubble denotes the positions in a tournament that lie just outside the paid out places. In a typical Sit & Go with 10 players typically the first 3 players will get their shares of the prize money. The fourth place would be the Bubble in that case. Players who often finish tournaments right outside the money are referred to as Bubble Boys.
Bubble Boy
Players who often finish tournaments right outside the money are referred to as Bubble Boys. Also see Bubble.
Bullets
Two Aces in the Hole Cards. Also called Pocket Aces or Pocket Rockets.
Burn
Before actually dealing the Flop, Turn and River in Texas Hold'Em the Dealer will put away a card to the side face down. This action is called Burn.
Button
Short for Dealer Button. Denotes the position of the Dealer at Texas Hold'Em and Omaha. In Casinos and bigger Tournaments there will always be a designated Dealer but a Button will be used to mark the nominal Dealer.
Buy-In
For tournaments: The amount of money that has to be paid in order to participate. Usually there is an additional Fee that is added to the Buy-In. The organiser of the tournament will receive this Fee while the Buy-In goes directly into the prize pool and will be used for the prize money. A $5+$1 tournament has a Buy-In amount of $5 while the Fee of $1 goes to the casino. For Cash Games: The amount of chips being brought to the table. In most cases there is a Minimum Buy-In as well as a Maximum Buy-In.