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

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

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

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

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

half flex

Half flex is when you or someone else does something flashy but it's half-assed or cheated in some way.

Tom:Did you see Brads new car?

Joe: yeah I saw that half flex machine, his parents bought the car and he just bought the rims .

by DRANGO May 8, 2017

Dunno flex

The flex is done, the motive and or action is no longer the plan or is finished.

Its a dunno flex for that man
Aii, dunno flex man I gotta go home.

by Ahliefam May 9, 2022