buttstabber Share definition Flag When dancing with a girl grinding, you stab her butt with your dick. Yo Sean Scott is such a butt stabber, he was all up grinding and he stabbed that ho, he needs to lean to ride that ass, not destroy it. buttstabber by TFAHey October 13, 2004 0 0 Get merch Get the buttstabber mug. Buy Now — $32.95 See more merch