Top Definition
1. A form of the sport/game dodgeball which involves the following:
-illegal or unwanted use of a location (usually at night)
-a socially based informal incomplete organization
-use of tactically acquired, recycled, or donated materials

Commonly associated with fight clubs, rave sydicates, parkinglot parties, and gang territories, and stoner dens.

*Possible usage by "Black-Operations" for maintaining domestic guerilla infantry and "Special-Operations" for practicing undercover surveillance methods and techniques*

2. A great way to preventatively maintain, check, and service oneself in mind, body, and spirit.
Our adventure begins tonight at underground dogeball.

If you win an underground dodgeball game you can come to my party...
by Prof. Cheeseburger August 15, 2010

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