Slopchomping Share definition Flag When one has such a large ammount of gum that they chew innapropriately and nastily. Jesus Christ! How much gum are you chewing; like 40 pieces? You're slopchomping, and it's annoying. Slopchomping by SUP3RJ3SUS November 28, 2010 0 0 Get merch Get the Slopchomping mug. Buy Now — $32.95 See more merch