noun🔥 Gen-Z slang

green flag

a positive trait in someone

What it means

A positive trait or behavior in a person that signals they'd be a healthy, trustworthy partner or friend. It's the optimistic counterpart to a red flag, used to celebrate someone showing emotional maturity or kindness.

Words like “green flag” are exactly the kind of vocabulary our English vocabulary size test measures — find out how many English words you know.

Examples

  • He texts back on time and remembers little things, green flag.
  • Major green flag that she's so close with her family.
  • Apologizing without getting defensive? Huge green flag.
  • Loving his dog that much is the biggest green flag ever.

Where it comes from

An inversion of the older 'red flag' warning metaphor, which gained traction on TikTok and Twitter around 2020 as dating and relationship discourse exploded online.

Related slang

🔥 Think you know your slang?

Take the Gen-Z Slang Test — 20 terms, instant result, no signup.

Take the Gen-Z Slang Test

Built by the team behind Deep In.