Flex

When you flex your girl, your showing her off to everybody posting pics with each other & being a simp because you want everybody to be jealous.

Damn I just got a new girl her names kyleigh I be flexin her cuz she’s the baddest bitch in town.

by Flex yo girl December 5, 2020

Flex seal your god damn mouth

Another way to tell someone to shut the fuck up because they won't stop being a fucking fortnite player

Kenny I with fucking flex seal your god damn mouth shut you gay fortnite player.

by I love izzie999 April 15, 2021

Flex

the word flex usually means to bend a joint, but in this case, to flex something means to steal something that is not yours, so its a verb.
my friend created this word so i added it because i thought it would catch on.
flex, present tense
flexed. past tense

"Alex, that dude just flexed your phone"

by diamondman200 May 6, 2018

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

flex the rainbow

When the penis shaft bends slightly during homosexual anal intercourse

when you flex the rainbow in Shane he really likes it!

by Literalistic September 30, 2023

Flex

Man who has been through a lot, but has managed to stay strong through it all. (Flex)

Aye, dat nigga Flex gotta strong cock, man.

by Dat fat dick ass nigga July 16, 2017

Flex tape

This thing can literally fix anything! It could have probably stopped the Titanic from sinking, too bad Alan Swift wasn't alive.. unless 🤔

Person 1: Dude I got some flex tape and it can fix anything!
Person 2: No way! Can it fix my life?
Person 1: I'm afraid not...
Person 2: Dang it.

by Apersonthathasnothingbettertod April 12, 2020