Top Definition
A very Wrinkly Vagina. often in the shape of a muffin, It is unusual that girls get this. but if you fuck Justin Bieber there's a Huge Possibility that you will get one :D. or it will sometimes occur if you apply an extreme amount of Cinnamon Bun mixture to it.
Girl : Dude My Vagina looks all weird and WRINKLY D:

GUY: MY GAWD, THAT MUST BE A WRINKLE MUFFIN, you fucked JB.
by MrFuneralFog February 08, 2011

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