Top Definition
Crap that forms under your keyboard keys that takes years to cultivate. Composed of hair, dead skin cells, fingernails, staples, leftover food crumbs and other unnamed crap.
Jim: I recently bought a cheap used laptop!
Bob: Probably has Geek Cheese...
Jim: -Lifts up some of the keys- WTF!
by iRikeDaPeepoh February 27, 2011
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