Green’s Dictionary of Slang

(drugs) marijuana from Vietnam.

1982		Abel Marihuana Dict.
2001		Daily Tel. (London) 30 Jan. n.p.: May I interest you in some Aunt Mary? Or perhaps a little baby bhang? No, I can see, you prefer El Diablito. Or bambalacha? Juju? Laughing weed? Doobie, chillum, ganja, blue de Hue.