(idiomatic) To be overly active relative to the enclosed space in which one is.

(informal, humorous, idiomatic) Having gone mad; insane.

(informal, idiomatic) To go from a standing position to a sitting one.

(idiomatic) To vanish or fall into obscurity.

(idiomatic, slang, vulgar) To defecate.

(idiomatic) Something failed, often after or amidst a laborious, tiring process.

(idiomatic) With a large amount of effort or intensity.

(slang) An act of masturbation.

(idiomatic, slang) Heavily intoxicated; under the influence of alcohol or drugs.

(idiomatic) Indicates that a future event appears uncertain, especially one that before seemed more certain. Any prior agreements are no longer valid.