Harlem Sunset: Meaning a fatal wound inflicted by a knife.

I'ma harlem sunset yo ass: Meaning I'm going to inflict a fatal wound upon you using a knife.
Person #1: "Yo fuckerr move yo fat ass and get the hell out of my way!"

Person #2: "Shut the hell up or else I'ma harlem sunset yo ass."
by Jennifer! January 18, 2007
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