Billy Goat Nut Tap Share definition Flag When one gets stricken in the genitals with such force causing them to make the noise of a billy goat. Damn Joey, that was one hell of a Billy Goat Nut Tap! Billy Goat Nut Tap by Nut Shot February 3, 2014 0 0 Get merch Get the Billy Goat Nut Tap mug. Buy Now — $32.95 See more merch