(idiomatic) To desist from saying something unless one is able to prove it; to act in a manner that makes further talk unnecessary.

A politician who will speak from any available soapbox about any issue that comes up.

(idiomatic) Or something else; allows for the existence of an unexpressed alternative to what was said.

A person (living or dead) from whom an organ is removed in order to be transplanted into another person. / (chiefly US, slang) A motorcyclist, especially one who does not wear a protective helmet.

(idiomatic, chiefly in the negative) Logic; common sense.

An orange azo dye, 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid, used as a food colouring

(chiefly US, idiomatic) An expression suggesting an ultimatum which indicates the listener(s) will either conform to the desires or teachings of the speaker or else be excluded.

(astronomy) The surface (plane) that contains an orbit.

Resulting in either success or failure.

(psychology) In Freudian psychology, the satisfaction felt in infancy when the need for food, especially from the mother's breast, is fulfilled, and which in later life can be associated with such dysfunctional behaviors as excessive eating, drinking, or smoking.