Butt Sweater 

When a guy has so much hair on his butt, it simply looks like a butt sweater.

My boss Matt is so hairy, I bet he has wears a butt sweater also.

Butt Sweater by JGirl427 March 10, 2009

sweater butt

a young woman with a really nice butt hiding it from view because she thinks she's fat.

i sure wish that blonde in jeans would bail that sweater butt!

sweater butt by sandspit September 17, 2007