Masturdriving

To maturbate while driving. This is typically done on long, cross country trips to help pass the time. One must be cautious, as an ill-timed climax can lead to danger to oneself and to others on the road.

Jim: Dude, I got pulled over by a cop and fined $500.
Bill: What happened?
Jim: I was masturdriving down I-81 and the cop saw me.
Bill: Ah shit..

by TKJTG March 21, 2009