Intercorpse
The act of having intercourse with a deceased human being.
Guy 1: Dude, I had some AMAZING intercorpse last night!
Guy 2: You're so fucked up.
Guy 2: You're so fucked up.
Intercorpse
When someone puts in no effort in the bedroom and you feel like you might as well be fucking a dead body
"Mate the sex was so lifeless last night it was basically intercorpse"