What does flex mean in Korean?

플렉스 Flex

Also written: flex · 플렉스하다

Meaning

Showing off money, fits, or wins.

When
Appeared around 2019, peaked around 2020
Heard in
spending, social media, humor
Feels
exclamations, humor
Politeness
Rude or crude in tone — fine with close friends, but avoid it with elders, teachers, or at work.

How Koreans use Flex

  • 이번 보너스는 플렉스다.

    This bonus is going to a flex.

  • 플렉스 금지.

    No flexing.

Similar slang in other languages

US English
flex, boujee
Japanese
マウント