Top Definition
The gook of nastyiness formed from dead skin, sweat, dirt, and lint that collect inside an inny bellybutton. The amount of cheese is considerably worse for a fat person with an inny bellybutton.
I cleaned my bellybutton cheese out of my bellybutton in front of my friend and he gagged from the stench and color disfiguration of the cheese.
by tyrone coonwell December 30, 2011

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