An indication of a bad or possibly dangerous person.
"Yo, have you seen Matthew? he's a walking, talking red flag."
A red flag is a person who was a bad personality.. like, very bad personality. Just stay away from them.
a term used to describe actions that reveal someone is a hoe, manipulative, and/or unfaithful.
Guy 1: this girls so fine and we’ve been hitting it off but she still snaps all her ex’s
Guy 2: nah bruh you gotta drop her that’s a red flag
A girl named katie. She’s here for a good time, but not a long time. Don’t get too comfortable.
I met katie and she gave me her number. I never heard from her again, i officially was red flagged.
The game in which you attempt to run over the yellow flags that are laid down upon a freshly paved road.
Dude, I almost hit another car head on because I was getting way to into my game of Flag Tag
when someone has both green flags and red flags
jamie: you have yellow flags you have good stuff in your personality and bad ones
The act of a woman sucking on a mans foreskin.
''I heard that Becky and John are really into flag sipping.''