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A shitty app that always crashes
That app is such a Yubo
by MrMemeio May 03, 2018
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short for "why you bitchin out?" and used as a nickname for people who

1: always bail on you
2: flake after promising/agreeing to something
John: Lets go to the gym later!
Mike: yeah, sounds like a good idea
-- later --
Mike: I can't go cause I'm really sleepy
by xredjokerx_ February 01, 2014
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