1 definition by Toasty-Yum-Yums

Top Definition
When a person sits on their computer chair for such a long time their butt actually becomes flat. On rare occasions it may become numb.
At the age of 16 Bob was diagnosed with computer butt, thankfully he got a fluffy new chair and he will live.
by Toasty-Yum-Yums August 31, 2007
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