Flair up

To put on a user flair on a subreddit, an integral part of r/politicalcompassmemes' culture.

Generally, user flairs are used to categorise the users on a subreddit, like the personality typology subreddits, the alignment chart subreddits, political subreddits, any reason to categorise people. Or, you could make the flairs editable, as an extension of one's username on the subreddit.

Obtaining a flair is what to 'flair up' means.

Unflaired: Hello, I'm new to this subreddit.
Authleft: Good, now flair up, comrade.

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Flair up

When you go crazy or stupid , unexpected stuipedness

Your standing in line to get your caramel none fat almond milk decaf macchiato And all of a sudden you start dancing to the song that’s playing in the coffee shop
Your best friend: wow that was a flair up

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