slop gut Share definition Flag The heinous blubber that spills over the pants of a young fat chick who insists on wearing a belly shirt. Check out the slop gut on Betty. She should be wearing a bhurka, not a belly shirt. slop gut by Slappy007 January 9, 2007 0 0 Get merch Get the slop gut mug. Buy Now — $32.95 See more merch