Sluticus Share definition Flag A widely known slut. There is usually one or two in a group. Every grade at a school has one. Hey, you did you here? Sluticus is going out with... now...she already gave him a bj. Sluticus by cmonzterz October 11, 2009 0 0 Get merch Get the Sluticus mug. Buy Now — $32.95 See more merch