The act of aiding another male prisoner in a Forced Rape Scenario (FRS) by placing your foot on the back of the rapee's neck and holding him down in an act of courtesy, much like holding a door open for someone.
Anthony was proud to doorstop Marion for his cell-mate Alec.
A group of straight men perform a circle-jerk into a felt Top Hat. The last man to release himself must place the hat (The Stinoval )on his head and let the contents drip into his face and mouth.
Marty was the last one to cum, so he put the Stinoval on his head and was shamed by his peers.