Commonly used to tell someone that the statement they just made is completely insane.
Girlfriend: Baby, will you buy me this $50 dollar dress?
Boyfriend: Kill yo'self!
by ilove420 December 18, 2008
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a phrase used to tell somebody they're crazy after making an absurd comment.

basically it's something used to say "you must be out of your mind," or "you must be crazy."
"Demarcus, I know you gunna let me copy your homework"

"Kill yo'self"
by Lethal Intent September 17, 2005
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