Green’s Dictionary of Slang

Cheech and Chong n.

[the comedians Cheech (Richard) Marin and Thomas Chong whose act was based almost entirely on their consumption of marijuana]

(N.Z. prison) marijuana.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 41/1: Cheech and Chong n. marijuana .