1. [N. Amer, vulgar, informal] The fleshy part of the human body that you sit on
   "are you going to sit on your fanny and do nothing?";
   - buttocks, nates [informal, technical], butt [N. Amer, informal], backside [informal], bum [Brit, informal], buns [N. Amer, informal], can [N. Amer, informal], fundament [informal], hindquarters [informal], hind end [informal], posterior [informal], rear [informal], rear end [informal], rump [informal], stern [informal], seat [informal], tail [N. Amer, informal], tail end [informal], tooshie [informal], tush [N. Amer, informal], bottom [informal], behind [informal], derriere [informal], patootie [US, informal], botty [informal], duff [N. Amer, informal], bahookie [UK, dialect, informal], booty [N. Amer, informal], heinie [US, informal], tushy [N. Amer, informal], derrière [informal]
    
2. [Brit, vulgar] External female sex organs
   "The clitoris is part of the fanny";
   - female genitalia, female genitals, female genital organ

Derived forms: fannies

Type of: body part, crotch, genitalia, genitals, private parts, privates

Part of: body, female body, female reproductive system, torso, trunk

Encyclopedia: Fanny, West Virginia