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 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 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

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

Dick flex

When you flex your dick inside your partners throat

Last night I was getting head and I flexed my dick in her throat she was so mad it made her gag- dick flex

by Harryharold August 30, 2019

Diva flex

Flexing one's muscles either literally or figuretively . Seems to be a practice common amongst celebrities of various ilks and persuasions.

1 Rhonda rowsey performed her diva flex by showing off her biceps just before the boxing match. 2 sly stallone did. His diva flex by arriving to the set in a golf cart and insisting that none of the crew look him in the eye or speak directly to him.

by 4realazitgits March 25, 2021