roadbake 

Smoking weed while driving, generally in an enclosed car.

are we gonna roadbake this weekend?

roadbake by LittleMissInformative August 28, 2010

roadbate 

to masturbate while driving a car

I just drove by someone who was in the act of roadbate.

roadbate by aodfasjdfoasjdf June 15, 2011