Poppins Box is a term to describe female genitalia. This term makes reference to the movie Mary Poppins who carries around a bag of infinite internal proportions. She is seen removing an entire coat rack amongst other large items from her bag.

This definition is etremely useful when referring to a woman with a seemingly large, deep, or otherwise spacious vagina.
My dick's so big, this bitch better have one hell of a Poppins Box.

I was double fisting her Poppins Box up to the elbows.

Man,lets just say that her Poppins Box is so dirty, that you will need a spoon full of sugar to help you go down.

by ozone567 May 28, 2006
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To pop bottles but with boxed wine.
I'm about to finish this tax exam and then after, we going to start box poppin' that Franzia.
by Tuck Tuck Goose December 13, 2010
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