Top Definition
Anyone whom is driving and cannot maintain a constant speed on the road. Their speed fluctuates with the rise and fall of the roadway annoying the shit out of everyone around them.
After passing and being passed five times on the interstate, there was no question that the asshole driving next to Dan was a gravity speeder.
by Gizzmo69 September 02, 2011

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.

×