What is shoot my one?

When a Person of color is positive they would win a street brawl and they want to humiliate their opponents

Aye n*gga ,Shoot me my ones, Wassup lil n*gga

shoot my one - video

Shoot my one refers to asking someone to fight you.

Guy1: Insult
Guy2: Shoot my one

OR

Guy1: Insult
Guy2: You ain't gone shoot my one.