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One who excessivly pwns oober nooobs and/or noobasaurus rexs'. Is to be screamed at the oobernoob in question to taunt them. Has a negative conotation.
When you see Taylor passing in the hallway scream noobkillah!
by Rich December 31, 2004

Words related to noobkilla

badass chuck norris deehhh ninja ubernerd