buttgut Share definition Flag A Buttgut is created when an individual is so profanely plump that their stomach hangs down and forms a wide ass crack. That guy’s stomach hangs over his dick and looks like an ass. What a buttgut! buttgut by Mike Szandor Hancock October 14, 2019 0 0 Get merch Get the buttgut mug. Buy Now — $32.95 See more merch