Grandpappy Smash Share definition Flag This is the result of masturbating too much. Your dick will become chafed and will bleed. I heard that loser in our third period class is so lonely he did the Grandpappy smash. Grandpappy Smash by VMC22189 September 16, 2006 0 0 Get merch Get the Grandpappy Smash mug. Buy Now — $32.95 See more merch