1 definition by plasmatic666

Top Definition
a measure of weight derived from the average weight of a rockabilly girl. equivalent to 250lbs. Abreviated rbg
My pig weighs one rockabilly girl.(1rbg)

Q:How much do you think that '50 Ford weighs?
A:About 10 rockabilly girls.(10rbgs)

by plasmatic666 September 17, 2007
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.

×