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To masturbate while driving.
Person 1: Man, long road trips are so boring.
Person 2: Dude, you should autobate.
by Bob Ding February 03, 2007
To masturbate while operating a motor vehicle.
The sun set low in the western sky and darkness rolled slowly in;
After 15 hours of driving, I had to autobate just to stay awake.
by M.S. Allison January 29, 2007