Shorthand for 'designated driver.' The person who escorts you to the
club, drinks lightly if at all, and helps drive you home after a long
night of cirrhotic frivolity. D2s are occasionally given special treatment by bartenders for their services, such as offering snacks and non-
alcoholic beverages to dedicated D2s.
Person 1: "Hey, can you be my D2 tonight?"
Person 2: "Sure! I
charge $13 per hour, plus $50 if you
vomit in my car."
Person 1: "What? Why are you charging me just to-- ...
oh."