1. buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass, body part

usage: the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"

2. female genitalia, female genitals, female genital organ, fanny, genitalia, genital organ, genitals, private parts, privates, crotch

usage: external female sex organs; "in England `fanny' is vulgar slang for female genitals"

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See also: fanny (Dictionary)