fanny

Etymology 1

19th century. Ultimately from Fanny, pet form of the name Frances. Compare dick, John Thomas, mickey.

noun

1. (Britain, Ireland, Australia, New Zealand, South Africa, vulgar) The female genitalia.
   Her dress was so short you could nearly see her fanny.
2. (Canada, US, informal) The buttocks; arguably the most nearly polite of several euphemisms.
   Children, sit down on your fannies, and eat your lunch.
   Get off your fanny and get back to work!
3. (UK, vulgar) Sexual intercourse with a woman.
   get some fanny tonight
4. (UK, vulgar, uncountable) Women viewed as sexual objects.
   This club is full of fanny.

Etymology 2

The British naval slang sense derives from Fanny Adams. Tins of mutton introduced as rations were not liked by the sailors and were taken by them to contain the butchered remains of Fanny Adams who had been brutally murdered and dismembered. The tins were re-used for eating from and cooking with.

noun

1. (UK, naval slang) Mess kettle or cooking pot.
   I put on a big fanny of Ky, that is a straight-sided pot of cocoa for them returning. 2005, Patrick Halliday, Survival, page 24