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A fan of a College they would never be accepted to. Often get very defensive of said team, and respond with statements that don't really make a lot of sense. IE-Using Mike Sherman in a Tech rant. A true UT fan would know that he is aTm's coach, and TT has no afilliation with him whatsoever.

Sometimes make themselves feel better by saying that everyone is a T-shirt fan because they dont play for their schools, when in reality, if a person is attending, or has attended said univeristy they have put money into it. This allows them to cheer all they want.
1.The author of definition number 2 is a T-shirt fan.

2. The majority of University of Texas fans are T-shirt fans.
by TheTruthHurts21 December 07, 2009
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Anyone who claims they are a "fan" of a particular sports team, even though they had no prior support for/interest in the team until that team started winning. These types of fans usually wear t-shirts supporting a particular pro/college sports team even though they do not live in that city or did not go to that college. Plenty of these fans did not even go to college, and some are lucky to have past a 6th grade education.
After UT won the National Football Championship, many illegal immigrants from Mexico became a t-shirt fan.
by BustyBaller November 14, 2009
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a fan of a well known college or national team.
Hey look at that fat gangsta wearing a Texas Longhorn t-shirt. Yeah that tard is a t-shirt fan.

Oh, you're a Yankees fan? What state are you from? Texas?

Hey look at the Mexican wearing a USC shirt.
by redraider2013 February 06, 2010
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A college football fan who never played for the team.

esp. fans of Texas Tceh, who share Leach's obsession with pirates and facepaint.

shut up, t-shirt fan.
by SLC666 October 03, 2009
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