fanny fart

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fanny fart

1. noun, vulgar slang A sudden expulsion of air from the vagina, often resembling the sound of flatulence. "Fanny" is a vulgar slang term for the vagina. Primarily heard in UK. 2. verb, vulgar slang To expel air out of the vagina in a manner resembling flatulence. Primarily heard in UK. See also: fanny, fart