A term that is widely used in texting and chat, and on Facebook and elsewhere on the internet, but what does Flex mean in slang?
Most Common Flex Meaning
Flex means to show off or boast.
Flex is used to describe someone showing off or boasting, but can also be used to describe someone putting on a fake front.
Chris can’t help but flex when he’s down at the beach.
Alternative Flex Meaning
To bend a part of the body, especially an arm or leg, or to tighten a muscle.
What Does Flex Mean?
To show off or boast.