Prison Collision Share definition Flag A slang term for anal rape which is widely related to non-consensual sex by male prison inmates. Did you hear about Matt? He was roofied at the gay bar and last night, and Adam gave him a "Prison Collision". Prison Collision by Nontipical April 21, 2017 0 0 Get merch Get the Prison Collision mug. Buy Now — $32.95 See more merch