Definition from Wiktionary, the free dictionary
- (slang, usually in the context of cunnilingus): A vulva, specifically an unshaven one.
- 2001 August 16, John Duffey, reply in "She will be mine...", alt.babylon5.uk 
- Oh you haven't lived till you've had a nibble on a fur burger!
- 2002, Elvis F. Mitchell, The Voices of the Oppressed, iUniverse, page 85
- Tonight I want to eat your fur-burger and I do not care about getting glazed
- 2007, Karl Rockwood, The Very Private Secretary, Blackmask Online, page 95
- Now, slowly and not to obviously, you cross your legs and give them a quick glance at your little fur-burger.
- 2001 August 16, John Duffey, reply in "She will be mine...", alt.babylon5.uk