A term used to describe killing a zombie or a person then carrying, out decent acts etc, touching the boob's of a zombie or smelling its meatcake of said Corpse, then stealing the loot from it.
Dude1:"I killed a zombie man. "
Wasteland psychopath: "dude. You should Fucking necrofiliate that shit. "
Dude1:" yeah man your right, let's necrofiliate all the hot zombie chicks."
Wasteland psychopath" I just necrofiliated your sister yo"
Dude1"fuck you uleh"