d bag Share definition Flag short for douche bag, someone who is socially disfunctional in some way. generally an ass hole, some one who does something shady and low to someone else "hey mal talk to jason lately?" "no he never called me back" "what a d bag" d bag by robone December 28, 2005 0 0 Get merch Get the d bag mug. Buy Now — $32.95 See more merch