Someone who eats a whole lot of food all the time, but never gains any wait. A nibbo does not have an eating disorder.
Rena- "Hey man. I just gobbled down another 3 bags of potato chips."
Tom- "Dang girl! You do that every week and gain no weight! Are you a nibbo!?"
by rhutch February 28, 2008

4 Words Related to nibbo

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