Necropedophiliobeastophile
One who has sex with a dead child who hasn't hit puberty then ejaculates into a dead animal's mouth.
"Dude, I was watching this older guy thrust his penis into this dead 10-year old girl, then he switched over and ejaculated into this dead dog's mouth."
"EW! He's a Necropedophiliobeastophile!"
"EW! He's a Necropedophiliobeastophile!"