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
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