When you make a mistake and then become so frustrated that you continue to make more mistakes.

When your so pissed off from losing multiple amount of games that you play worse and worse till your so pissed you begin leaning over your keyboard screaming over every little mistake you make and complaining about gaming imbalances

(Common in Starcraft II)

This is a term in poker used when a player starts playing worse after losing close/multiple hands. It's also said that a player is "on tilt".

This term comes from pinball machines. If you lifted or banged the machine too hard the "Tilt!" sign would light up, your controls would lock up, and you'd lose the ball in play.

Through the imbibing of too much alcohol one begins to lose all inhibitions resulting in inebriation. This is closely followed by a complete breakdown of all ones moral fortitude. In the worst case scenario a complete loss of bodily control followed by the inevitable emphatic statement that the victim love you.

To lean forward when angered or aroused. Can be used as a verb to describe one that pesters individuals, usually those enrolled in high school and aspiring to join the military. Tilting often causes fear and lowers self-esteem.

When you're getting slightly mad at someone/something.

Gambling term (most common in poker) but also used in video games describing an angry or "reeling" state of mind usually caused by a big or unluck loss. People playing on tilt play below their usual abillity and usually make larger and more aggressive bets to try to quickly recover their loss.