Something your girlfriend or wife would tell you if she's on menstrual period
Stop it bob, I'm on red flag!
by moshahriz September 17, 2015
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Sb who is not good for you/ toxic people/danger
That girl is always doing drugs, she is a red flag.
by Argirl August 31, 2018
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A warning sign that tells if a person is dangerous or harmful to someone else's heart. Additionally, a person who's a red flag is very eye catching and is usually well spoken with good sense of humor. Also, such red flag person likes RED (Taylor's Version) specially the song State of Grace and All Too Well (10 minutes version) (From the vault).
Example 1:

Bella: Happy Birthday!! Haha

Bria: *smiles like a red flag*

Example 2:

Once upon a time, a twitter user once said, "damn, she's a red flag" and then ran for her life. Remember?
by ConeyIslandGirl.xx November 22, 2021
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Things in relationships that master's, like when's her period and when was the last time you raw dogged her.
Bruh I'm so strung out rn.

Dude she be throwin up them red flags.

Is there a plan c?
by Bigsleezy360 November 10, 2020
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man, Braden is a red flag because he is white and straight and has curly hair.
by JohnBarfin January 9, 2022
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a girl or guy who has an S.T.D or S.T.I. meaning: dont have intercorse with her.
She's hot but she's red flagged.
by morphine lips June 27, 2006
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Someone that is a walking red flag, which means a bad trait that someone has.
Ximena is a walking red flag 🚩
by Red flag 🚩. November 7, 2021
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