Grapevine Mumps Share definition Flag When you have mumps and then start jerking off your dick with a grapevine, before ejaculating into it. Shit, man! I just committed grapevine mumps because I was so horny! Grapevine Mumps by c0ckandba11z August 9, 2022 0 0 Get merch Get the Grapevine Mumps mug. Buy Now — $32.95 See more merch