Top definition
An extraordinarily large or monstrous vagina.

OR

A woman with an extraordinarily large or monstrous vagina.
Did you see that girl's mongina? It was almost pouring through her stretch pants!
by SammyFree November 13, 2008
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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