skin box

A vagina or a belly button

He stuck his finger in her skin box

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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

10👍 2👎

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."