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

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.