boob crev
The dark side of the boob, the fold under the breast.
"I heard that Nicole decided to dress up as Steve Urkel for Halloween."
"Yeah, it was a great costume, except that she had her pants pulled up under her boob crev. Not very Urkel-esque."
"Yeah, it was a great costume, except that she had her pants pulled up under her boob crev. Not very Urkel-esque."