Ass Slammin' Share definition Flag A phrase used to describe the act of severely and visciously ravaging one's posterior region. After all the ass slammin' I got in jail my fecies just falls out. Ass Slammin' by Cockroids June 26, 2016 0 0 Get merch Get the Ass Slammin' mug. Buy Now — $32.95 See more merch