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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
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Someone who eats lots of ass.
Boon Choon, the nibbo, caused Alween's hole to be sore for a week.
by Arrhur May 30, 2018
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