slut gut Share definition Flag The gut you often see sticking out from under a crop shirt worn by an overweight, filthy whore. It is often accompanied by an overly tacky belly button piercing. Dude, check out that cum-guzzling whore standing in line over there, her slut gut is HUGE! slut gut by WesNile November 4, 2007 0 0 Get merch Get the slut gut mug. Buy Now — $32.95 See more merch