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1.
Fucking a dead animal.
Man, I don't care if you're into necrobeastiality, just stop killing my dogs.
by Elley Chaos April 25, 2003
 
2.
The fetish of loving to have sex with dead animals. Necrophile+beastiality.
Guy 1: Dude, that guys humping a dead deer
Guy 2: Necrobeastiality alert!
by superTac0 January 29, 2010
 
3.
When you have sex with dead animals.
Wow, he practices necrobeastiality by fucking a dead pig.
by P3RX April 03, 2009
 
4.
The act of both committing necrophileism and beastiality at the same time. In shorter terms, Having sex with dead animals.
I think joey has come down with a bad case of Necrobeastiality guys, last night he dug up my dead dog and starting pounding the shit outta him.
by GMONEY5150 September 07, 2011
 
5.
the affinity or sexual attraction to animal corpses.
Is that road kill? Let's necrobeast that shit!

Necrobeasting the dead jaguar last night was awesome!

I heard my 18th century continental rationalism philosophy professor
is really into necrobeastiality.

by Necrobeaster45 July 13, 2008