Verb
rub one out (third-person singular simple present rubs one out, present participle rubbing one out, simple past and past participle rubbed one out)
(slang, vulgar, usually of a person with a penis) To masturbate to the point of ejaculation.
Synonyms: jack off, jerk off
Rub one out like a man, it's the champagne of victory. Bill Burr