DBAD Share definition Flag Don't be a Dick. Don't be a Douche. Don't be a Douchebag. Don't be a Dudd. Don't be a Downer. "I'm gonna run up and slap him""DBAD, dude." DBAD by YouDidntKnowWhatItMeantDidYou February 13, 2015 Get the DBAD mug.