P
Paints Face or picture cards (Jack, Queen and King).
Pair Two cards of the same face or number value.
Pass To fold.
Pay Off To call on the final round of betting when you may or may not think you have the best hand.
Picture Cards Face cards (Jack, Queen and King).
Play Back To raise or re-raise another player's bet.
Playing the Board In flop games when your best five card hand is all five of the community cards. 
Pocket The down cards or hole cards.
Pocket Rockets A pair of Aces in the pocket or hole.
Position Where a player is seated in relation to the dealer, therefore establishing that player's place in the betting order.
Post When you post a bet, you place your chips in the pot. (You must post the Blinds.)
Pot The money or chips in the center of a table that players try to win.
Pot Limit This is a game where the maximum bet can equal the pot.
Prop A person hired by the cardroom to work as a shill.
Push When the dealer pushes the chips to the winning player at the end of a hand. It's also when dealers rotate to other tables.
Put Down To fold a hand.

Q
Quads Four of a kind.
Qualifier In High-Low games, it is a requirement the Low hand must meet to win the pot.

R
Rack A tray that holds 100 poker chips in five stacks of twenty chips each.
Rail The rim of a poker table or a barrier outside a poker area.
Railbird Someone who hangs around a poker room who watches the games and/or is looking to get into action.
Raise To increase the previous bet.
Rake Chips taken from the pot by the cardroom for compensation for hosting the game.
Rank The value of each card and hand.
Rap When a player knocks on the table indicating that he/she has checked.
Razz Seven Card Stud where the lowest five cards win the pot.
Re-buy The amount of money a player pays to add a fixed number of chips to his/her stack in a tournament.
Re-raise To raise a raise.
Ring Game A "live" game that is not a tournament.
River This is the last card given in all games. In Hold'em and Omaha, it is also known as 5th street. In Stud games, it is also known as 7th street.
Round of Betting This is when players have the opportunity to bet, check or raise. Each round of
betting ends when the last bet or raise has been called.
Rounders Guys who hustle for a living. This is also the name of a popular poker movie starring
Matt Damon and Ed Norton.
Royal Flush This is an Ace high straight (A-K-Q-J-10) of the same suit. It is the best possible hand in poker.