/gree"foh/ , n. Slang.
marijuana.
Also, grefa, griffa, griffo .
[ grifa; cf. grifo marijuana user, appar. the same word as grifo curly-haired, tap, spigot, GRIFFIN 1 (sense development unclear, but perh. parallel to that of kinky ); cf. GRIFFE 1 , REEFER 2 ]