Kasif-savaar 

It translates literally to "Dirty-rider" which is a homage to the chorus of the song "ridin'" by Chamillionaire.

It's a term of endearment, meaning "Gangster."

"How's it hanging, Kasif-Savaar!"

Means: "What's up, Gangster!"

Kasif-savaar by G-Leader March 29, 2019