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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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Jun 18 Word of the Day
Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.
cooking with fire is lindy
by mmebs June 13, 2021
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