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, although steam typically carries more anger and intensity.
Placing an opponent on tilt or dealing with being on tilt oneself is an important aspect of poker. It is a relatively frequent occurrence due to frustration, animosity against other players, or simply bad luck. Experienced players recommend learning to recognize that one is experiencing tilt and avoid allowing it to influence one’s play.
One possible origin of the word "tilt" is as a reference to tilting a pinball machine. The frustration from seeing the ball follow a path towards the gap between the flippers can lead to the player physically tilting the machine in an attempt to guide the ball towards the flippers. However, in doing so, some games will flash the word "TILT" and freeze the flippers, causing the ball to be lost for certain; as in poker, this suggests that over-aggression due to frustration leads to severely detrimental playing techniques.
While "tilting" originally applied to poker, it has recently become a common term when talking about other games, especially eSports titles.
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.
For example:
These can upset the mental equilibrium essential for optimal poker judgment. Another common way to tilt is from bad behavior of the others at the poker table. Excessive rudeness (or lewdness), being heavily intoxicated at the table, and poor table etiquette are ways that players can wear on nerves.
Though not as commonly acknowledged or discussed, it is also quite possible to go on "winner's tilt" as a result of a positive trigger: such as winning a hand unexpectedly, being awarded a large pot, or making the money in a tournament. Strong positive emotions can be just as dizzying and detrimental to one's play as negative ones. "Winner's tilt" can be just as dangerous as the more traditional form.