Drab Share definition Flag Dull. Boring. Ugly Matt Damon. Not good. Matt is so drab. His scouting is drab. Did you see his house? Everything is so drab. Even his bbq ribs taste drab. Drab by Good Looking Patton Oswalt October 21, 2018 0 0 Get merch Get the Drab mug. Buy Now — $32.95 See more merch