Green’s Dictionary of Slang

Thai adj.

SE used as a drug ‘brandname’

In compounds

Thai (stick) (n.) (also ti-stick)

[1960s+] (drugs) a form of marijuana grown in Thailand, soaked in hashish oil and sold tied around a thin stick resembling a satay skewer.

Thai tabs (n.)

[2000s] (US drugs) dianabol, a form of methamphetamine.

Thai white (n.)

[1990s+] (drugs) a variety of heroin, refined in Thailand.