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1 definition by Thomas Berkun

 
1.
when a user of pokemon is challenged to beat the entire game with one type of pokemon
Guy 1: Hey dude i challenge you to do a Mono water on leafgreen
Guy 2: Ok i will record it and put it on youtube

This means Guy 2 has to beat all of leaf green with water types
by Thomas Berkun August 09, 2008
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