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A fan of any team or group that is so irrational they are impossible to reason with. They often hate their rival team or group and can be very cruel.
That byu "fan" isn't really a fan he's a 10%er.
by Gothedistance49 August 20, 2016
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The amount of people who really get the "Walton & Johnson" morning raido show..
...uh..yea,some of my friends are 10%ers
by moogar October 01, 2006
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