mullet butt 

A butt which resembles an overgrown mullet

"I hooked up with him, but I definitely wouldn't date him. He has such a mullet butt."

mullet butt by sketchballitudinator December 27, 2008

Butt mullet

Shaved/waxed vagina with the bottom remaining unshaven (still fluffy). Business in the front, party in the back.

I shaved my Brazilian but forgot the back and I ended up with a butt mullet

Butt mullet by Annon-I-mouse1000 March 7, 2020