Top Definition
A megadeus from the anime "The Big-O" piloted by Schwarzwald aka Micheal Seebach. Big Duo is the only megadeus possessing the ability of flight, with the possible exception of Big Venus. It's propeller hands could also serve as a cutting weapon. Additional armaments included optic lasers, machine guns in its forearms, missile batteries in its chest, and a pair of high ordnance missiles stored in its knees.
"Wherever there's Big Duo, Schwarzwald is soon to follow."
by Schwarzwald February 23, 2009
4 Words related to Big Duo

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