Green’s Dictionary of Slang

(US black) a cigar, esp. when its tobacco is removed and replaced by marijuana.

1992–2003		P. Atoon Rap Dict. 🌐 Dutch Master (n) Dutch Master is a brand of cigars. When rolling a serious blunt, the tobacco is removed from a cigar and replaced with marijuana.
1993		Wu-Tang Clan ‘Wu-Tang: 7th Chamber’ 🎵 Enter the Wu-Tang (36 Chambers) [album] Bust ya, slash ya / Slit a nigga back like a Dutch Master Killer.
1994		Method Man ‘What the Blood Clot’ 🎵 Tical [album] Smoke a Dutchmaster, have ’em screamin for the dutchess.