FRIG Meaning of FRIG in English ■ verb ( ~s , ~ging , ~ged ) vulgar slang have sex with. ↘masturbate.OriginME (orig. in sense 'move restlessly', later 'rub, chafe'): of unknown origin. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004