1) Pertains to the marked days of a woman's bleeding "period" within the menstrual cycle, from the beginning to the end.

2) "Happy Red Flag Day" is a phrase often used in woman code to welcome one-another into the relentless, ceremonial unleashing of hell about life's problems, onto the ears of the unwilling-- mainly men. You may see this act transpire on Facebook with 12 guys asking "what does red flag day mean,'' followed by 37 "likes" on the initial post. The best means of avoiding this outcome is to remain silent and do not (repeat) DO NOT engage in dialog.

Girl 1: Hey youuu, happy Red Flag Day.

Girl 2: God, I know. I just want it to be over!

Guy 1: What red flag day?

Girl 2: You never listen to me, EVER! I'm leaving... ASSHOLE ::slams door::

Guy 1: ...What!? What the hell was that about?

Red Flag Day by davidjkeys January 11, 2012

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red flag week

pertaining to a woman's period.

June wouldn't let me fuck her yesterday, it's red flag week.

red flag week by Dunky Oggins October 30, 2003

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Red Flag Agitator

An antiquated term for a member of the communist party that attempts to cause political discourse and riots in an attempt to spread the word of communism

Arthur - "I'll tell ya, with all of these damn red flag agitators you'd think the world was going to end!

Red Flag Agitator by The Rectifier. January 8, 2021

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red flag behavior

Actions or statements that contain a large number of red flags

Girl 1: "What was up with that guy Jen brought to the party? He kept talking about chemtrails and women being subservient and all kinds of weird stuff"
Girl 2: "I have no idea, that guy was a whole bag of red flag behavior"

red flag behavior by deeveeesss June 20, 2023

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