pipe down

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “apparently originally naval”) The sex sense is related to lay the pipe. === Pronunciation === === Verb === pipe down (third-person singular simple present pipes down, present participle piping down, simple past and past participle piped down) (idiomatic, intransitive) To be quiet; to refrain from being noisy. Synonyms: see Thesaurus:be quiet, Thesaurus:stop talking Antonym: pipe up (transitive) To dismiss from muster, as a ship's company. (slang, transitive) Of a man, to have penetrative sex with a woman. ==== Translations ==== === Anagrams === downpipe