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(n.) A saturday on which one ruins, distresses, or even destroys articles of clothing and makes them look even more fly and fashionable than they already are. Ex: t-shirts, jeans, etc.
Person 1: "You do anything fun this weekend?"
Person 2: "Yea, my Tatterday was actually quite productive. I made a few new tees, they're so sick."
by dinogirl143 April 10, 2010