Top Definition
A sponge-like garment a women wares around her pussy for the 3 to 7 days a month she dicides to be a crazy bitch.
That fat, nasty bitch with the red hair had a big wet period stain on her jeans, she better change her Pussy Diaper

OR

Stop being such a little fag, go change your pussy diaper or something.
by SgtSlice August 29, 2009
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