Slang term in suburban areas for a man who has sex with dead animals, also see necropheliac or beastiality
Eww look at what he did to that squirrel, he's a jackzer!

Hey Tom, you know if I beat off on that dead deer I'd be a jackzer?
by Tyrome Anton October 13, 2004
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The name of a one night stand that didn't go away after morning
I took my jackzer out for breakfast so I could get her out of my house before my wife came home.
by Dave Steve October 10, 2021
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