Captain Flex

Dude with a slim build who sees himself as more of a Scottiah adonis body god
Usually found peacocking around the floor for no reason
Throws out a random flex when a member of the opposite sex is around

Look at BB over there peacocking round those hoes, he is the real deal captain flex

by Jonsnowknowsnowt July 27, 2016

National flex your muscles day

April 19 is when you send a friend, partner or someone you trust a picture of you flexing ur muscles.

*sends a picture of big booty flex*

wow! Happy national flex your muscles day! Here is one too ;)

by Nukemaster69 April 19, 2022

Flexing

You flexing me

Why you flexing me

by Mrstarrant July 30, 2021

Flex karma

The bad stuff that happens to you when you show off and try to act cool. flex, flexing, flexin, show off, showing off, cocky, arrogant, bad boy, bad girl, bad actor, dick wagging, showoff, badass, karma, what goes around comes around, payback

I thought that musclehead was so tough strutting around the gym. He shoved that skinny dude and got knocked out. That's flex karma, baby!

by joecoolthefool June 30, 2016

Flex

When somebody is showing of their skills and or material things.

Oh, that girl over there is really flexing her money off.

by coolboiifromacult101 June 27, 2021

Dirty-Flexing

To flex, stunt, flaunt, or show off with something that is not really yours.

Friend 1: I saw your roommate on IG in the new Tesla model S self driving. Bro really getting to the money now.

Friend 2: I saw that post. Not hatin’ but that’s his uncle’s car. We drove to the club in it yesterday.

Friend 1: y’all Dirty-Flexing like a motherfucka lol… pick me up in it next time.

by 213JetSet February 11, 2023

Flex

a flexible insulated cable used for carrying electric current to an appliance.

"The electrician installed a new flex cable to connect the new electrical outlet to the main power source."

by Arminkshipper June 18, 2025