Poker Math That Matters

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Chopping Outs: Cards to come that can give you a hand that
ties the best hand.
Community Cards: The cards placed in the middle of the table
that all players may use to make their best hand. See "Board".
Connectors: Hole cards that are next to one another in rank.
Examples are JT and 67.
Covered: When one player has more money than his opponent,
he is said to have him covered.
Downswing: When a player loses a lot of money relative to the
size of the big blind of the game.
Drawing dead: Having no outs. You have 0% equity.
Early position: Players to the left of the big blind. These
positions are at a disadvantage because they are often one of the
first players that have to act on any street.
Effective Stack Size: The smallest stack involved in a hand.
EV: Short for expectation value.
Expectation Value: The average amount of money you can
expect to win or lose when you make a wager.
Exploit: To take advantage of an opponent’s weaknesses.
Flop: The first three community cards which are exposed
simultaneously. This can also be used as a verb. For example, "I
flopped a very strong hand!"
Flush: Five cards of the same suit.
Fold Equity: What we gain when our opponent folds in response
to our aggression.