Tilt is a poker term for a state of mental or emotional confusion or frustration in which a player adopts a less than optimal strategy, usually resulting in the player becoming over-aggressive. This term is closely associated with steam and some consider the terms equivalent, but 'steam' typically carries more anger and intensity.

The most common way to "tilt" is losing, often a recent victim of a bad beat, or being defeated in a particularly public and humiliating fashion.