YDAB Share definition Flag You dumb ass bitch. Commonly used as an insult between friends. Order me some DoorDash, YDAB! I banged your mom, YDAB! All my friends are DABs. YDAB by timothyc273 April 5, 2021 0 0 Get merch Get the YDAB mug. Buy Now — $32.95 See more merch