Top Definition
Any small car that appears to be able to fly. Derived from Wonder-Bug
Look at that yellow WonderBu next to the Camry.
by Chaka October 27, 2003
adj. wonderful, fantastic, better than expected
I had a WonderBu time with your wife last night.
by Iconoclast October 27, 2003
Anyone who acts/feels like Johhny WonderButt for a time.
Damn, I was WonderBu last night!
by Bu October 25, 2003
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.