buff the muffinWiktionary 原文构词拆分buff词根/词干“to rub”+the词根/词干+muffin词根/词干“vagina”词源说明From buff (“to rub”) + the + muffin (“vagina”), chosen for the rhyme in the participle ("buffin' the muffin").释义（英文）动词 Verb(slang, idiomatic, somewhat vulgar) Of a woman, to masturbate.