Derrick Stewart, known professionally as Fatlip, is a Los Angeles–born hip hop musician. He started his career in the hip hop group The Pharcyde.

The Pharcyde is an American alternative hip hop group, formed in 1989, from South Central Los Angeles. The original four members of the group are Imani, Slimkid3, Bootie Brown, and Fatlip. DJ Mark Luv was the group's first disc jockey (DJ), followed by producer J-Swift. The group is perhaps best known for the hit singles "Drop", "Passin' Me By" and "Runnin'", as well as their first album, Bizarre Ride II the Pharcyde (1992). The group continues to tour and record, both collaboratively and in solo projects—the most recent being Hardson's collaborative EP with DJ Nu-Mark released in 2014 on Delicious Vinyl.