Top Definition
To add new herb over the spent herb. To refresh a bowl of marijuana that had already been smoked with more MJ.

A money-saving measure to extend the use of a commodity. To refresh something old or stale. (i.e. coffee, tea, cereal, etc)
This bowl is stale, could you regreen it before we smoke it again?

I'm going to regreen the coffee by putting some new grounds over the old ones.
by Kaffiend February 01, 2010

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