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Watching not just multiple episodes of the same show in a row, but the ENTIRE SERIES in a very short period of time. This is especially done before the show's finale, in order to catch up quickly before the conclusion.
Dude #1: "Dude, are you ready for the season finale of LOST?"

Dude #2: "No, I've never watched that show."

Dude #1: "Oh man, you gotta catch up! This will require some ultimate powerdisking!!"
by JayGayle August 09, 2010
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