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1.
A sexual act. The event in which a woman undergoes sexual intercourse with a vehicles gearstick/gearknob or handbrake. This is the explanation behind why the car smells funny and the sticky residue found on the gearstick and gearknob, after you had said "ill be back in a minute" to your grilfiend.
'Man, it smells like you been car sexing in here', as he thinks to himself.
by JC October 07, 2004