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A tittle given to a person after they perform or say something stupid,Street slang from BWV.
idiot dumb stupid moron
Friend one drops a case of beer, friend two says "you're a N'yook"

Friend one informs friend two that the lights are not working, Friend two turns on the light switch and says to friend one "you're a N'yook"
by Toddy P January 13, 2006
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