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blue flag

Someone/something that is so extremely sketch that it is beyond the classification of a red flag.

Originates from the railroad practice of using blue flags on trains to signify to people that a locomotive and anything connected to it should not and cannot be touched by anyone other than it's crew.
Guy 1: "Bro, I just started reading Burrows and Mark is so fucking hot."
Guy 2: "Don't bother, he's a blue flag."
by country_cooker March 18, 2024
mugGet the blue flagmug.

Bonnie Blue Flag

someone who forgors children every night
by DT11M100 February 22, 2022
mugGet the Bonnie Blue Flagmug.

The Dead Flag Blues

The sadness that comes from living a failing system.

Based on the song off of F# A# ♾️ by Godspeed You! Black Emperor with the same name
"Why does the country keep going to shit, it makes me have the Dead Flag Blues"
by GameScientist January 20, 2025
mugGet the The Dead Flag Bluesmug.

blue flag

A fag hag, in gay slang, a woman who associates either mostly or exclusively with gay and bisexual men.

Blue flags are frequently stereotyped as outgoing women who are seeking a substitute for heterosexual relationships, or who are secretly (or openly) sexually attracted to gay men. In fact, many women who identify as blue flags are already in romantic relationships, either with straight men or with women, but seek out the alternative experience of socializing with gay men.
She's a 10 but she's a blue flag.
by anonymous March 23, 2023
mugGet the blue flagmug.

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