look up any word, like dirty sanchez:
 
1.
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 17, 2007