Dumb BIITTSS Share definition Flag When you wanna call someone a dumb bitch but your mexican dad is next to you watching you play fortnite. "You were AFK in game and made us lose dumb BIITTSS!!" Dumb BIITTSS by breezyjeaa May 15, 2018 0 0 Get merch Get the Dumb BIITTSS mug. Buy Now — $32.95 See more merch