1 definition by Smooth Micky B

Top Definition
It's a natural phenomena involving an unplanned erection and a bumpy road. Usually occurs from the back seat of a moving vehicle with little or no suspension. Has actually been referenced by Creedence Clearwater Revival as a 'Travellin Bone' in one of their songs.
Slow down guys I'm about to get a Car-Bar.
by Smooth Micky B November 03, 2011

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