Suck Back Share definition Flag Sea water that is sucked back into the anus after an Aqua Turd. Beryl done an Aqua Turd while swimming at the beach, but strained too hard and gave herself Suck Back Suck Back by Kryten_2X4B_523P May 21, 2015 0 0 Get merch Get the Suck Back mug. Buy Now — $32.95 See more merch