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A small get-together with 5-10 people where you smoke massive quantities of marijuana and listen to some groovy tunes to celebrate one's planting of his marijuana crop.
Jeremy: "Yeah dude, I'm going to be having a Planting Party Friday starting at 7 to celebrate the planting of my crop."

Dustin: "Sweet man, this should be some good times, how many people are going to come?"

Jeremy: "Probably only like 5. We'll have about half an ounce to cover the night, I'm working on making some groovy mixes for the night."

Dustin: "Awesome, man."
by Easy Rider 1 March 27, 2007