Top Definition
The act of pleasuring oneself in a vehicle, which said person may or may not be driving.

Most heinous perpertrator is dubiously referred to as the "I-95 Wacker", spotted by numerious WMMR listeners, and outed by Preston and Steve, after he harassed Cathy from the show.
Yuck, that guy in that Yellow Neon with tinted rear windows is at it again on 95.

Carsturbation should be a crime.
by theLitFuse July 15, 2005
2 Words related to carsturbation

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