Top Definition
Having the tendency to scream profanities at other drivers who are talking on their cell phones, futzing with their I-Pods or doing everything but paying attention to the road. But usually yelling at your lap so nobody else knows you are calling other drivers nasty names.
Why are you screaming m***er f***er into your lap?

Because that dumb ass guy needs to hang up and drive - but if he sees me calling him that - he might pull over and beat me up! I have Vehicular Tourette's Syndrome.
by Silverlock March 29, 2009

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