Top Definition
When you laugh so hard that when you fall backwards, you get a bruise on your buttocks, much like the bruise you would get if you fell backwards on roller skates.
The "vuvuzela fail" peeing dog youtube video made me laugh so hard that I rollerlol'd off my chair.
by dvsmik3 July 09, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×