What is "suffa"

Matthew David Lambert (born 6 May 1977), better known by his stage name Suffa, is one of the MCs of the Adelaide, Australia, hip hop group Hilltop Hoods. Suffa is also a producer and has produced tracks for other artists, such as Funkoars and Kate Miller-Heidke, in addition to his work with the Hilltop Hoods. Lambert has been an active artist for over 15 years since the release of the debut Hilltop Hoods album.