くぱぁMeanings1adverbsound of a vulva openingonomatopoeic or mimetic wordmanga slangOnomatopoeic manga slang for the sound or visual effect of a vulva opening, often used in erotic contexts. Not used in polite conversation.マンガで「くぱぁ」という擬ぎ音おんが使つかわれている。The onomatopoeia 'kupaa' is used in the manga.