SUTFU Share definition Flag When you need to tell someone to “shut up the fuck up” in text “Shut up! SUTFU! You want me to do- dude we are going to fight right now! Open your mouth again I’m going to fuck it!” SUTFU by I love hot moms xoxo July 16, 2025 0 0 Get merch Get the SUTFU mug. Buy Now — $32.95 See more merch