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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
mugGet the Captain Flexmug.

Flex Day

December 26th is flex day. Show off all of your expensive items to your friends. You can also flex with the new items you got at Christmas.
"Billy it's December 26th which means it's flex day, I bet you don't have the iPhone 11 Pro Max."
Billy answered while holding back tears, "you're right Joe, I don't."
Billy replied, "wait, who's Joe?"
by Andy Andy October 27, 2019
mugGet the Flex Daymug.

flex flexington

Someone who shows off all the time and flexes about things in his or her life.
Ella is a flex flexington because all she talks about is going to a Chance the Rapper concert.
by Dumster February 27, 2017
mugGet the flex flexingtonmug.

doo doo flex

The act of taking a pic while taking a shit. Best seen as a snapchat caption.

Sending snaps of your poop is not cool, send snaps of your face instead! We love to see the facial expressions.
he’s gonna take longer than we expected, he just hit me with the doo doo flex.
by King Boo JP September 17, 2019
mugGet the doo doo flexmug.

Flex Officer

A little bitch of a CO that is constantly found underneath the desks of his/her superiors.

The Flex Officer gets to Flex on all the other Correctional Officers because he/she "knows" that they are better than everyone.

The Flex Officer can get away with almost anything.... Depending on how long they can hold their breath underneath that desk, and depending on how much they cry "unfair"

Being a Flex Officer you will usually only have to do half of the job he/she is suppose to do, and must expect applause from everyone.

Their superiors usually consist of a Daddy Captain, Mommie Lieutenant, or Uncle Lieutenant.
Hey CO, why are you staying late?

Flex Officer said it was unfair for him to be mandated, so Daddy Captain said he is not allowed to be mandated.
by BigDaddyBear53 April 12, 2025
mugGet the Flex Officermug.

Unlimited flex works

An attack which involves a set-up period where KJ performs a dance, followed up by a punch that creates giant cracks in the air.
KJ: "because with this IT'S OVER...KJ'S 20 SERIES...UNLIMITED FLEX WORKS"
by LegokoaSpongebob March 12, 2025
mugGet the Unlimited flex worksmug.

Sandy Turd Flex (STF)

When you're taking a dump and your butt flexes forcing the poop to retract into your butthole causing the sensation of sandpaper going up your butt.
"Man I hate it when I have a sandy turd flex (STF) in the bathroom"
by Matt Stazjic October 3, 2016
mugGet the Sandy Turd Flex (STF)mug.

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