A heavy catapult used wy back in dem midevil times
Prepare the onager! FIRE!!!!!!
by ranger FR K-4 February 19, 2005
Top Definition
A wild, fast running ass.
Look at that Onager go!
by Darin June 05, 2003

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.