Green’s Dictionary of Slang

(US drugs) marijuana.

1952		(con. 1948) G. Mandel Flee the Angry Strangers 33: You can smoke all the pod you want, but keep away from junkies.
1959		W. Burroughs Naked Lunch (1968) 19: A square wants to come on hip. Talks about ‘pod’ and smoke [sic] it now and then.
1963		J. Rechy City of Night 133: The score you was with that time — the one that wanted pod so bad.
1971		‘Hassan-i-Sabbah’ Leaves of Grass 1: Texas Tea / Pod / Weed.
2001		ONDCP Street Terms 17: Pod — Marijuana.