Keno Board - A large electronic board that displays the winning keno numbers.
Keno Lounge - The main area within a casino where keno is played.
Keno Runner - A casino employee who shuttles a keno bet from wherever the player is to the keno writer, and also delivers payment for winning tickets.
Kibitzer - A spectator at any game who usually dispenses unwanted advice.
Kick - One's own pocket.
Kicker - In a draw poker game, an odd high card held that doesn’t contribute to a straight or a flush, usually an ace or a king.
Kicker Trouble - Not having as high a kicker as an opponent.
Knock - To cast disparaging remarks about someone. Usually done behind his or her back.
Kojak - A hand that contains a K-J.