1 definition by hyphy buoy

to fuck something up...alot. invented at Emory University. Also, to creep someone out.
Dude #1: (after throwing an interception in Madden): Goddamnit..I yoshed that so badly.

ex. 2
Guy: So, you come here often
Girl: Get away from me
Guy: Man I really yoshed that up!
by hyphy buoy December 18, 2007
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