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A kick ass name. It is commonly used, well... only used,as a creative name for video game customizable items. Only things that kick ass deserve to be called by the name of Won Buu. It may also be used repeatedly to confuse opponents.
A gummi ship that recieved a S+10 rank on Assault of the Dreadnaught from Kingdom Hearts 2 may be named Won Buu for its kickassedness.

A strong strategy to confuse your opponent in a pokemon battle is to name all your pokemon Won Buu.

by Won Buu September 22, 2007
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