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grewu (n.) A legal marijuana grower who wisely follows all laws governing the cultivation and manufacture of this cash crop.

A grewu is truly a guru of a movement/industry who jumped in early into the farming of legal weed in progressive states such as Colorado; these farming pioneers are posed to make a boatload of money.
The first grewu from Colorado started planting marijuana seedlings in his heated greenhouse on January 1, 2014, the day weed was officially legalized.
by Bugsz December 03, 2013
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