An expression used when someone asks a hateful or hurtful question or does something hateful, drastic, etc.

See also: I will fight you. Right in the face., i will cut you, I WILL BUST YOU, or I will choke you with your own asshole!!!.
Girlfriend: "What would you do if I cheated on you?"
Boyfriend: "I'd have your ass in a casket."

or

Guy #1: "I'm going to fuck your girlfriend."
Guy #2: "I'll have your ass in a casket!"
by Lacey Smiley January 12, 2011
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