fanny

noun

1. the fleshy part of the human body that you sit on

   noun.body

   Examples

   Are you going to sit on your fanny and do nothing?

   Synonyms arse ass backside behind bottom bum buns butt buttocks can derriere fundament hind end hindquarters keister nates posterior prat rear rear end

   Source: WordNet 3.0

2. external female sex organs

   noun.body

   Examples

   In England `fanny' is vulgar slang for female genitals.

   Synonyms female genital organ female genitalia female genitals

   Source: WordNet 3.0