grim jones

Noun - Some sick unknown artist seldom found in the utmost depths of the underground.
Verb - To be so addicted (Jonesing) to something that it ends up in a grim (deadly) outcome more often than not.

"yo, bro - did you see grim jones' new project?"
"another one? that fool just dropped an album last month! that boi gotta step up his marketing game"
"give him a break fam, he's on a grim jones. he doesn't need another excuse to do a hot shot"