Wii butt is the phenomenon that occurs when a grossly out of shape person plays games such as wii bowling and the next day has a sore left butt cheek from the "bowling motion."
"Man, I was playing wii bowling last night and my arse is killing me today!"
"Yeah, you have a bad case of wii butt!"
"Yeah, you have a bad case of wii butt!"
by Miker94 January 3, 2010
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Wii butt • wii • Wii-tarded • wii-kend • Wii-arm • Wii-ing • Wii Sports • wii-lationship • Wii Wii • Wii Bowling