d for down Share definition Flag a stronger way to say "I'm down", as in "I'd be up for that" Cam: "Hey Nicola, do you want to go to Mel's?" Nicola: "D for down" d for down by flipflopFlapJack March 3, 2021 0 0 Get merch Get the d for down mug. Buy Now — $32.95 See more merch