Girls legs are too spaced apart/too thin that her crotch looks like a box is put between it.
That skinny bitch totally has a box crotch!
by tastyplaydoh December 21, 2008
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used to describe sexual intercourse can also sometimes be used as a syntonym for fisting
yo john i spent the entire night crotch boxing with ur mom last nights
by kenny the kid February 8, 2008
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