When multiple guys drop "seed" or semen on a female. It can either be a planned event or spontaneous.
Rick: "Tyler, when is the seedbombing taking place this weekend at your mom's house?"
Tyler: "Go to Hell! Also she would like to know what you and the guys want to eat afterwards."
Rick: "Spaghetti. What a nice lady?!"
by b0bby_k July 21, 2016
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when an individual or group who throws, shoots, or slingshots pellets of dirt filled with seeds, often into empty or abandoned lots; usually part of an urban renewal project or event
Larry: Let's throw an awesome event where we eat, drink, and mingle in between seedbombing expeditions around the neighborhood!

Jim: Cool! Let's go buy some seed pellets and slingshots!
by environmentalmogul August 1, 2011
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