Necro beast is a mythical creature plaguing oregon waterways. It can be seen kayaking rivers and streams assuming the identity of mark mckarkle. "I know what you are doing"
When night falls, it will crawl under a cum tree, and take the form of necro beast.
That guylurking by the pet cemetery sure might be a necro beast
To have sex a dead person of the same sex as you. In other words, gay necrophilia. Can be used as a derogitory phrase to someone who is creepy as hell.
Guy 1: That guy's so creepy, he's always alone, and yesturday I saw him eat things out of the trash can! Guy 2: Wtf? Really? Guy 1: Yeah, he's so fuckin creepy. Guy 2: Hahah, he probably has necrofagia! Guy: Hahahahaha!! Yeah probably!!
Petey had a necrobeastathree and didn't want to stop.
What did you do last night Petey?
Oh, nothing just had a threesome with a dead chicken and a dead goat.
Sounds great.