An individual who (unintentionally) gets in other people's way by walking on the wrong side of the footpath, corridor etc.
"I bumped into a drunk driver and missed the train."
The act of playing Mario Kart with intentions on getting wasted. Goal is to finish an entire beer before the end of a race in any course in the game of Mario Kart.
Guy 1: I wanna get wasted wanna play drunk driver?
Guy 2: Hell yes!! Lets drive drunk on Moo Moo Meadows!!