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An elite player of video games that uses his or her expert knowledge of the game to (usually unfairly) possum stomp less learned individuals.

Derived from two player battle mode in Super Mario All-Stars in which if someone camps behind a tube opening at the top or bottom of the screen, all they have to fear is Boo Spawning from a warp-hole.
Chris: Hey, have you beaten Jon yet?

Damon: No. He's being a douchebag.
Chris: How?

Damon: He's a total tube camper!
by Tube Camper September 02, 2009
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