Note: This page may contain terms or definitions that are offensive or inappropriate for some readers.
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.