A person who claims to be a fan of "The Office," but believes the show will suck without Steve Carell.
Person 1: "OMG I llooovveee The Office!!"

Person 2: "So do I! I can't wait to see who will replace Michael Scott as boss!"

Person 1: "Ugh. Forget about it! That show is done! The Office is going to suck without Michael. I'm not going to watch it anymore."

Person 2: "Wow. You are the biggest fair weather fan!"
by Grey Poupon July 13, 2011
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Ted Cruz.

From Wikipedia:
In February 2021, during a historic winter storm, up to 4.3 million Texas residents were left without power and millions of others without drinking water. In the middle of the storm, Cruz and his family were spotted on a plane heading to Cancún, Mexico, where they planned to stay at the Ritz Carlton and escape their home, which Heidi Cruz called in a text message "FREEZING".198199200 Cruz requested assistance from the Houston Police to escort him and his family through the airport.201
Reporters outside the Cruz family home also observed that Cruz had left the family poodle Snowflake alone inside the house without heat. The dog was spotted through the window of the front door of the dark and empty house.202 One reporter who visited the house spoke to a self-identified security guard who said he was caring for the dog.203 Cruz's political allies and rivals condemned him for leaving Texas during a crisis and traveling internationally during the COVID-19 pandemic.198 Cruz initially said he was taking his daughters on a weeklong vacation from school at their request, in an attempt to be a "good dad".204 Later that day, he returned to Texas and said the vacation was a mistake.205 Protesters calling for his resignation greeted him in front of his house upon his return.206
Ted Cruz is such a fair-weather friend: The moment Texas froze over, he abandoned his constituents and ran to Mexico.
by Hard_Landings February 22, 2021
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A person who is not a dedicated fan of a sports team. They only watch a game if it peaks their interest.

In most cases fair weather fans are bandwagoners who join in on the hype of a team or sporting event. Examples of this are: The Superbowl, The World Series, and Playoffs in general.

In other cases fair weather fans are people who just watch the sport or certain games when 'the weather is right'(when they feel like it). These fans are not characterized as bandwagoners because they have been fans of the sport/team before the hype and or big game (ex. Superbowl).
A Fair weather fan will usually tune in to watch big games such as: The Superbowl, The World Series, and Playoff games etc.

This is an example of a fair weather fan that is also a bandwagoner:
My brother: The World Series on tonight! I can't wait!
Me: Since when did you like baseball?
My brother: I don't, but its the World Series!

This is an example of a fair weather fan:
My friend: Celtics are on tonight.
Me: Since when do you watch basketball?
My friend: I watch it occasionally, plus its the playoffs.
by Inrecop15 June 18, 2008
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A man (or person) that isn't a player all the time but when conditions are right, he'll go for it.
"Hey bro, Laura was all 'I'm so horny' and I was like 'a'ight'. As a Fair Weather Player I sensed an opportunity and I succeeded."

- Tommy
by Kipple October 4, 2009
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A rubbish follower of a team that won’t ever bet his friends when it comes to his or her team.
Rick won’t bet anything on his Seminoles because he fears his team sucks and can’t win. He is now a fair weather fan because he stopped believing in his team.
by Aguas August 12, 2019
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Someone who is only with someone else for their money, popularity, or good reputation. They dump the person as soon as things start looking bad for the person.
Fair Weather Boyfriend/Girlfriend:

1.
A- "Hey, have you seen Lauren's new boyfriend?"

B- "Yeah, I've seen him with some other girls before. He's a total fair weather boyfriend."

2.

A-"Zeke, where's Amy? Did she dump you?"

B- "Yeah, I'm poorer than a hobo now. Amy found out and broke up with me, what a fair weather girlfriend."
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Fans of the American rock band Falling In Reverse. Band members are lead vocalist Ronnie Radke, lead bassist Max Green, backing guitarist Ron Ficarro, rhythm guitarist Derek Jones and drummer Ryan Seaman.
by kit10_cx January 22, 2016
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