Green’s Dictionary of Slang

(W.I./UK black teen) an automatic weapon.

1988		Buju Banton ‘Boom Bye Bye’ 🎵 Ah some man still no waan di panty raid / Pure batty business dem love / Send di matic or did uzi instead.
1992		V. Headley Yardie 52: One left the place and come back with a matic.
1995		Francis-Jackson Official Dancehall Dict. 33: Matic automatic (usually of guns).
2018-20		T. Thorne (ed.) ‘Drill Slang Glossary’ at Forensic Linguistic Databank 🌐 Matic - gun .
2022		Digga D. ‘Load Up’ 🎵 Pump out the ’matic, make copper shot jump out his jacket.