Underground Rapper hailing from NYC. S Blacc is known to associate with popular Youtube Group, "Rated Lux." S Blacc previously went by the title "MSO S Blacc" and continues to shoutout the acronym today.
Person 1: Who's your favorite underground rapper?
Person 2: I love the Rated Lux rappers, Kep, Adotti and S Blacc!
Person 2: I love the Rated Lux rappers, Kep, Adotti and S Blacc!
by rl3kfan4l April 7, 2023