Titties-do Share definition Flag On a female, when her belly or fupa sticks out further than her titties do.. "dude i cant believe i fucked that chick last night""yea she was a titties-do. Fuckin gross dude" Titties-do by $p3ncr October 23, 2011 0 0 Get merch Get the Titties-do mug. Buy Now — $32.95 See more merch