Top Definition
Noun: When a woman's legs possess so much fat and cellulite that it hangs over her knee. The resulting roll of fat is a gunk 'um.
Damn buh, have you seen how fat Brina got lately. She got gunk 'ums now and everything.
by BenZei December 04, 2005

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The fat build up in between the thighs that rub (Also could be arm GUNK-UMS: The build up of fat on the side of the arm closest to the armpit)
I need to put vasaline between my legs because I get brush-burn on my GUNK-UMS!!!!
by word dropper November 11, 2009

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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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.

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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