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A fan of a sports team who only shows support when the team is doing well. During hard times they usually bandwagon other teams. They basically have no real loyalty to the team, but still manage to get better seats than you at the game. Strangely they mysteriously vanish at the first sign of trouble.
Fair weather fan: "OMG what a comeback! That was amazing!"

Regular fan: "How would you know? You left right when Favre threw the pick six in the 2nd and if I recall you didn't even start rooting for Green Bay until 2 weeks ago."

Fair weather fan: "... GO PACK!"

(After the playoff game the fair weather fan immediately became a Pats fan and stowed all Packer memorabilia away.)

Fair Weather Fan's creed:
Last to join, first to leave.
by Rappathered January 24, 2008
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Certain people who only watch a sports team when said sports team is having a winning season.
unfortunately for me; Miami Heat, Florida Marlins, and Miami Dolphins fans are fair weather fans.
by whoareyou190 April 18, 2009
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A self-proclaimed fan whose loyalty and dedication is easily swayed
Drew claims to be a diehard Red Sox fan, but the fact that he chose to watch an episode of Game of Thrones over a Red Sox - Yankees game proves that he's just a fair weather fan.
by MGB318 July 19, 2017
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New Dats. A sickening majority of 2009-2010 Saints Fans who couldn't stand the saints or the NFL for most of the season. The last 8 weeks this fan has bought 10 shirts, a jersey and hotel room in the quarter to proclaim how much they love the saints and leech off the joy felt by the who dats. In other words they are about as cool as a fanny pack.
New Dat: Stand up and get what
Who Dat: it is Stand up and get Crunk
Who Dat 2: who in the fuck is that?
Who Dat: Another fucking New Dat
Who Dat2: Where were all of them 8 weeks ago?
Who Dat: Leaching of the corndogs at LSU. Don't worry they won't be here long.
Who Dat 2: Good I hate the fair weather fans, they are fucking useless and they are raising the ticket prices.
by The Final Authority February 10, 2010
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To be a fan of a team only when that team is successful and to not associate with that team during unsuccessful periods.

Most often the term is used incorrectly to describe a fan who is extremely critical of their team during unsuccessful periods.
Wow, Bill really is a fairweather fan. He won't even talk about baseball now that the Tigers are losing.
by Milkman14 July 27, 2010
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People who only support sports teams when they are doing well ie when the "weather is fair." If their team is losing, they don't claim to be a fan, but when their team is winning, they are obnoxious to the highest degree.
"Florida (Gators) are such fair weather fans, you don't hear shit from them unless they're winning."

"Georgia (Bulldogs) are the opposite of fair weather fans, they are DAWGS to the core, win or lose."
by Imeanshit October 31, 2009
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Liking a team only when they do good, and drastically hating them when they do bad. It's like liking the good weather and hating the bad weather.
Ryan's complaining about the (insert team name here) again because they lost a game, such a fairweather fan.
by CHI-FAN May 09, 2010
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