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The dead skin and body oils that get stuck in crevices of commonly used items (ex. video game controller, handheld gaming device, cellphones)
Gamestop employee: "Jesus Christ, that guy just traded in this controller. LOOK AT ALL THE HUMAN PEANUT BUTTER"

*proceeds to scrape out human peanut butter*
by ThisguywhoworksatGamestop November 22, 2010
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