In Poker, when a player is on tilt, he is in a state of severe mental and emotional frustration, which causes him to make aggressive and at times even reckless decisions. Generally, this will happen after a player has lost several consecutive hands in a row.
Angling is the term given to moves carried out during a hand designed to gain an unfair advantage over other players. e.g "Everyone makes mistakes, but it's blatant angling if a player keeps repeating mistakes that impact a player's game."