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A noob so undeniably new and inexperienced at a particular activity or event that it is fo sho inarguable whether that person is a noob or not anymore. By being called a noob fo shoob, it is without a doubt that that person is terrible or lame and everyone else knows it.
Curtis: You are a noob fo shoob.
Jer: I'm so noob I don't even have a comeback.
Matt: Owned.
by BigTestedCoals January 20, 2009
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