slatt Ask Urban Dictionary about slatt Share definition Flag an adlib popularized by young thug, and other rappers. "slatt" stands for slime love all the time or slime life all the time. "Slatt, slatt, slatt like YSL" -lil uzi vert slatt by mmmmmmnmokay August 1, 2019 0 0 slatt Merch Get the slatt mug. Buy Now — $32.95 See more merch