When you have any sex with a corpse, or someone dead.
Bryan found a dead girl in his room, and he proceeded to have dead sex with her!
Busting a nut on the back of someone’s head just as honest Abe or JFK got a bullet in the back of their skull
Having oral sex with a dead rat by cutting its mouth wider and ripping its teeth out, and crushing its organs with your penis
I had the most amazing dead rat sex last night