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The act of having an orgy, but with only twins involved.
Man 1: Hey, what are you up to?

Man 2: Not a whole bunch, me and my twin met another group of twins, and we're waiting to find out if they want to get Doppelbänged tonight.

Man 1: Why not call it.. No, actually that's really good.
by ThisDarkKnight August 06, 2013
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