skin box

A vagina or a belly button

He stuck his finger in her skin box

by BlueTeaLady September 3, 2017

B.F Skin-her box

like the B.F Skinner Box experiments except with shaved pussies.

I made $500 because i signed my wife up for the B.F Skin-her box experiments, and now she done gone and have a shaved old puss

by Michelefuberry November 15, 2009

skin in the box

when you tuck the labia on an 'outy' vagina inside the hole, hence creating the 'skin in the box'.

"damn, that chick had an outy, but i gave her a 'skin in the box' and fixed that."

by chodeman5000 August 19, 2008