Top Definition
The uncomfortable sensation in the tail bone that has similarities to the pain caused by sitting on a bike seat for long periods of time.
Richie had a bad case of bike ass in the middle of class, though he has not rode a bike in a year or two.
by Wiseman1994 January 05, 2010
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.