1 definition by Cinde

Top Definition
An erection caused by the vibrations of a car usually occuring on long car rides, and lame scenery which sometimes causes the mind to wander and think about said vibrations.
"My gosh honey! I didn't know you were in the mood."

"I'm not, it's just a damn car boner. It'll go away in a minute."
by Cinde April 11, 2006
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