Definitions by Tony3559

double d 

Double D, also known as DD is the Designated Driver, or person who can't drink because he has to drive their shit-faced friends home. Often times the Double D shift is rotated amongst a group of friends or a group of friends finds a person desperate for friendship to be the double d.

"Want a beer?"
"Nah man I can't, I'm playing Double D tonight."

double d by Tony3559 April 2, 2008