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Nuur means retard, "noo"(Commonly use as "nuu"), or something to say.
Kitty: You're such a nuur!
Dog: Na-uh! You are!

Smart Teen: Stop being a nuur.
Stupid teen: iam no a nuur u r

Sam: Want some of my cupcakes?
Zach: Nuur! Eww

John: Sup
Kate: Nuur.
by UhmIdk? July 30, 2010