Poker
AFAIK
AFAIK is chat shorthand for 'as far as I know'.
AFK
AFK is chat shorthand for 'away from keyboard'.
After‑Hours Game
An after-hours game is a private game played in a casino or card room after it has closed for the night.
Age
Age is an old term for the player immediately to the left of the dealer.
Agent
An agent is someone who helps cheaters, for example by partnering with them or luring another player into a crooked game.
Aggression
Aggression is a tendency to bet and raise rather than check or just call.
Aggressive
Aggressive describes a style of play with a lot of betting and raising instead of checking and calling.
Ahead
Ahead means leading: having the best hand now, being up in a session, or acting before another player.
Ainsworth
Ainsworth is a nickname for the starting hand 6-2 in hold'em, six-deuce.
Air
Air is a hand with no value, often used when bluffing.
Ajax
Ajax is a nickname for the starting hand Ace-Jack in hold'em.
Alcohol
Alcohol is a player's announcement that they will pay only the minimum needed to stay in the hand.
Alexander
Alexander is a nickname for the king of clubs.
All Black
All black means a flush made only of black suits, spades or clubs.
All Blue
All blue means a flush made of spades or clubs.
All Green
All green means a flush, usually one made of spades or clubs.
All In Over the Top
All in over the top is a raise in which a player commits their entire stack after an opponent's bet.
All Pink
All pink means a flush made of hearts or diamonds.
All Purple
All purple means a flush made of spades or clubs.
All Red
All red means a flush made of hearts or diamonds.
All the Way
All the way is a bet in which a player commits their entire stack.
All the Way in One Play
All the way in one play is an extended form of 'all the way': a bet that commits the player's whole stack.
All‑In
All-in means putting all of your remaining chips into the pot.
Alone Player
An alone player is a card cheat who works without accomplices.
AMC
AMC is shorthand for 'all my chips', said with an all-in bet.
American Airlines
American Airlines is a nickname for pocket aces.
Ammo
Ammo is a synonym for chips.
Ammunition
Ammunition is a synonym for chips.
An Ace Working
An ace working refers to having an ace in your hand.
Anaconda
Anaconda is a stud variant in which players pass cards to their opponents.
Angle
An angle is a legal but unethical play that tries to gain an advantage.
Angle Shooting
Angle shooting is using unethical or misleading tactics, short of cheating, to gain an advantage.