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1 definition by samsamsamsam

 
1.
short for flag defense. a term used in sourceforts to describe the system of blocks used immediately around your team's flag in order to prevent easy access, or to eliminate access completely.
steve: ok our front wall is done, let's get started on the flag d
tom: alright, should we make a crawl tunnel or just box it in?
by samsamsamsam February 11, 2008