Bellybootyslaps Share definition Flag When you are piledriving someone so hard your big ol flabby gut smacks the ass causing a loud clapping sound. Yo, get you fat ass back in the gym heard the bellybootyslaps all damn night! Bellybootyslaps by Shwamphownky420 December 2, 2019 0 0 Get merch Get the Bellybootyslaps mug. Buy Now — $32.95 See more merch