Something or Someone who has a bad personality trait or look to him or her. Mostly used by women to point out things in men to there friends. You can also use an emoji to say this aswell 🚩.
Mike was laughing but his laugh is ugly, red flag 🚩.
Straight and cisgender people who support LGBTQ+ rights
While the black and white/rainbow flag has an unknown origin, it first turned up around the late 2000s. This should not be confused with the strictly black and white “straight pride” flags that have occasionally turned up. The Ally flag represents support for the LGBTQ+ community and celebrates the sexualities of others, while the “straight pride” flag negatively protests the Pride movement.