tango and cash, n. — Green’s Dictionary of Slang

tango and cash n.

[film title Tango & Cash, 1989; ? rhy. sl. = hash n.²]

(drugs) fentanyl.

1993		E. Richards Cocaine True 64: They had this heroin called ‘Tango and Cash’ in the Bronx, and it was killing people. It was horse tranquilizer, phenotol.
2003		Community Counseling and Resource Center 🌐 ‘Designer Drugs’: MPPP – New heroin, Tango and Cash, Goodfella.