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A pointless and highly obnoxious smiley. It's most likely that it originated because some idiot on an AIM convo made a typo and made to D's instead of one on their =D smiley. So now, every idiotic AIMer uses =DD as a spacefiller. A replacement for "lol" or "xD".
Person 1: I went to school yesterday.
Person 2: =DD
Person 1: ...fuck you.
Person 2: =DD
by Egaro February 01, 2009
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