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The week when "The Twilight Saga" movies (books written by Stephenie Meyer turned into movies) begin to show in theatres.
Girl 1: Dude! Twi-Week starts tomorrow! Holy Friggin God!
Girl 2: Twi-what?
Girl 1: It's on urbandictionary.com. Just look it up. Dummy.
by twi-fan August 24, 2009
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