Hey man, let's go smoke some moon grass!

He's high on moon grass, man!
by TehRen June 28, 2015
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Weed you have stored in your ass for safe keepings, or in fear of getting busted by the cops.
"Dude, i want what your smoking"
"Are you sure? It's moon grass"
by He's the boxman September 21, 2006
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