tummyoutit Share definition Flag a bitch boy kid who says "fuck" and "lmao" everyday, also goes "!!!!" and "?????" "TUMMYOUTIT YOU ARE A BITCH" "WHAT THE FUCK??" tummyoutit by AllMenDoIsPie October 28, 2020 0 0 Get merch Get the tummyoutit mug. Buy Now — $32.95 See more merch