Top definition
Yucky Boy Fitness, a fitness program that promotes flexible dieting and encourages reaching a fitness level beyond conventional attractiveness.
He's ripped to the point girls don't even think it's sexy anymore. He must be on that YBF program.
by The Yucky One March 06, 2013
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3
Y.B.F. -- "Yellow Beaver Fever" is the condition of Western men who are compelled to chase any girl who is Asian. More commonly referred to as Asian Fever and an asian fetish.
Rob Pongi has such a bad case of Y.B.F. he has trouble keeping his trousers zipped up whenever he leaves his apartment and goes into the seriously babe-infested Tokyo environment.
by Taro 3Yen.com November 08, 2007
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Soft and offensive. Just like you.

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You'll be fine
J-Biebs was getting hostile... All I had to say was YBF.
by amo15252 May 08, 2011
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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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