Slopfoot Share definition Flag A person who acts slobbishly, somewhat uneducated, and/or overly casual, especially in the wrong situations. The opposite of snazzleback. Did you see him wear shorts to the funeral? He's a real slopfoot. Slopfoot by The Snazzleback July 31, 2012 0 0 Get merch Get the Slopfoot mug. Buy Now — $32.95 See more merch