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a shirt that is very big, and for the most part uncomfortable and makes you look fatter than you actually are. Resulting in not wearing them for anything other than sleeping. A big shirt has several recognizable traits, the most prominent are sleeves that go at least 4 inches or more down the arm, and the bottom of the shirt reaching your lower waist.
Guy 1 : Hey man , did you get a shirt from the concert last night?

Guy 2: Yea , but it was a big shirt.

Guy 1: That sucks! I hate big shirts.
by brennans123 April 30, 2009
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