1- Someone who has on geographical and/or social attachment to a particular sports team, yet for some reason have been rooting for that particular team since they can remember.
Person A: Why are you going for the Patriots? You should be rooting for the the Rams, and other St. Louis teams!
Person B: I have always been rooting for the Lakers, the Yankees, and the Patriots since I have been born!
Person A: Fine, but your a Patriots pseudofan!
Person B: I have always been rooting for the Lakers, the Yankees, and the Patriots since I have been born!
Person A: Fine, but your a Patriots pseudofan!
by pseudonym definer January 3, 2011
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