when little hairs grow in a circular pattern around and in the butthole.
That girl has the biggest nastiest fuzzgrotto ive ever seen.

Guy 1: I hooked up with anna
Guy 2: yo u hit her in the backside?
Guy 1: hell yeah it was gross.. that bitch had a fuzzgroto!
Guy 2: that shits WACK
by Mike and Manny January 27, 2006
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