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Sneaky, Mysterious, back-stabbing fucker, who lurks in the shadows to surprise "butt sex" you. Most commonly used to describe COD players who stick the walls/corners.
Carl: NIGGER CUNT!! GOOSEDOWN771 keeps killing me!
Jeff: He's a fuckin' corner demon, all he does is stay in that corner.
by tabbat January 18, 2011
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