WiggleButt Share definition Flag A special kind of dog with a nubby tail that when it gets excited, wiggles thy butt. The wiggling of ones tail to the extent of the butt wiggling. ergo a wigglebutt. WiggleButt by Schafol November 18, 2020 0 0 Get merch Get the WiggleButt mug. Buy Now — $32.95 See more merch