The Brief: Chief Keef is an American rapper and record producer.
Chief Keef is an American rapper and record producer. He is also known as Sosa. He has made music with A$AP Rocky, Travis Scott, and Wiz Khalifa and made a collaborative mixtape with Gucci Mane titled Big Gucci Sosa. Cheifing or chefin’ is slang for hogging a joint or blunt. Keef is a term for a particularly dank form of marijuana and Chief Keef is known for his affinity for cannabis.