Top Definition
the filmy, moist, dead skin particles, that gets stuck underneath your fingernails when reaching inside your shorts to scratch that crack itch. this substance may perhaps be caused by sweat, forming a cream-like layer that can easily be removed.
bob: man i had the most insane itch in my crack and when i scratched it, there was a bunch of smelly gunk under my nails, i thought it was shit but it was like....soft dead skin..o_O

ned: yah man! looks like you got a case of bad buttcrack-plaque!
by jameseepoo November 30, 2010

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butt crack poop crusties or hairy backwards lana area.
"Dang man, i didn't wipe my butt good enough. Now i have butt crack plaque!"
by EHAYNA October 04, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt