English

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Etymology

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From the notion of rubbing out seminal ejaculate of one’s penis.

Pronunciation

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Verb

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rub one out (third-person singular simple present rubs one out, present participle rubbing one out, simple past and past participle rubbed one out)

  1. (intransitive, slang, vulgar) To masturbate manually to the point of orgasm.
    Synonyms: rub one off, rub oneself off; see also Thesaurus:masturbate
    • 2012, David Wambaugh, The Last Call, page 178:
      Irish sounded serious when he said, “Oh, yeah, dog, if you get caught rubbing one out in the joint, you're fucked.” I said, “What's rubbing one out mean?” He cackled, and said, “Whackin' off, chokin' your chicken, spankin' the monkey. Come on dog, don't play stupid.”