tooth-softening
adj. When you see something utterly disgusting that gives you the awful gross feeling that makes your teeth soft, that thing is tooth-softening.
Science teacher: "And just look at that wonderful rotting pig heart!"
Annie (to Sophie): "That's so gross..."
Sophie: "Not just gross. It's tooth-softening."
Annie (to Sophie): "That's so gross..."
Sophie: "Not just gross. It's tooth-softening."