fanny

 
Pronunciation: /ˈfani/

noun (plural fannies)

  • 1British vulgar slang a woman’s genitals.
  • 2North American informal a person’s buttocks.

verb (fannies, fannying, fannied)

[no object] (fanny about (or around)) British informal
  • mess around and waste time: they were fannying about in the street

Origin:

late 19th century: of unknown origin