Twactdult Share definition Flag A tween who acts like an adult, therefore knowing already about sex , puberty and all that ype of stuff. "Oof, They all think I'm innocent and know nothing but I'm a twactdult, and I know it all..." Twactdult by !> EvE <! July 17, 2018 0 0 Get merch Get the Twactdult mug. Buy Now — $32.95 See more merch