1.To exhibit a strong sense of pride that is largely undeserved.

2. To feel superior to everyone even though you are not.

3. To feel that you are the greatest based on a past that you were likely not involved in.
That guy thinks he is so much better than any other baseball fan because he roots for New York. He has a case of Yankee Fan Syndrome.
by Theguy945 June 25, 2010
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Either a guido or "thug" that isn't a baseball fan but still rocks a Yankee fitted all day and claims to be a Yankee fan
Look at that typical Yankee Fan, he looks like a Jay-Z wannabe.
by El_Rey October 12, 2010
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anyone who always cheers for the winning team, for no other reason than they usually win
Ryan, our obnoxious yankees fan, was cheering for USC until UT took the lead, at which point he decided to cheer for his fellow longhorns.
by ali is the greatest April 12, 2006
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Term refering to the average fan of the New York Yankees. Along with an incredible ardor for their home team, obnoxious Yankees fans are distinct for their loud, rude and simply obnoxious behavior. Along with the Yankees themselves, the fans are part of the reason Boston hates New York.
I just wanted to go get my mail but my obnoxious Yankees fan neighbor kept yelling "who's your daddy" and thrusting at me...

The judge let me off because all I did was run over an obnoxious Yankees fan.
by Tessie October 19, 2004
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Bandwagon fans who, despite living 3,000, miles away from Yankee stadium, root for New York's baseball team. They only watch the occasional game on ESPN, and never have to suffer through the day in, day out awful announcing of Michael Kay
Brianna: Like, OMG, Derek Jeter is sooo cute, I'm going to buy a Yankee hat

Rylan: But babe, what about the 5 baseball teams we already have in our state? Two of which we stole from New York! And how will you even watch the games? The only way to see more then 5 a year is buying the package from the cable company, and something tells me you wont be watching all 162 like New Yorkers do even if you paid for it. You're just a California Yankee Fan.
by NYY for Nyers November 4, 2008
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An intelligent human being that is more advanced and has a higher intellect then the rest of the population. People often despise these people because the Yankee Fan is so intelligent that it makes everyone else feel like dopes. Also, they are all winners.
That guy is a millionaire and has a penthouse in Manhatten, must be a Yankee Fan.
by Thatg0y December 9, 2019
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