flex Seal challenge

The Incredibly Popular Internet Challenge in which participants attempt to completely seal their asshole tight, and then attempt to shit.

Bro, Did you see that sick flex seal challenge video by Logan Paul? it was almost as good as the forest in Japan!

by Mr. Huffman November 6, 2020

Flex

Verb, To share someone else's social media, especially on TikTok. It's like giving a shout out

Example 1: www.boredpanda.com relies on flexing many artists' work since they don't actually create their own content.
Example 2: That TikToker keeps flexing me on her videos. Maybe she wants more followers

by silasmarnerbitch July 10, 2022

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

Something that asia robinson cant do

Example: Dang Isis can flex

by narutolover28 January 5, 2019

fear flex

(n.) / (v.) fear-flex
Definition: When someone puts on a big show of being “afraid” so the room pivots around them—making another person look sketchy or guilty without naming any real behavior. Low-key a control move.

“Dude was just waiting for a ride and she hit a fear flex—now security’s hovering.”

“Manager fear-flexed and acted like the new kid was a problem, even though nothing happened.”

“One fear flex at the door and the whole vibe went ‘safety meeting.’”

Also: fear-flexing (gerund)

by Jrock01 October 16, 2025

Flex Tape

A weapon used to gag your enemy or strangle the by wrapping it around their neck.

I sawed this boat In half! Flex tape is keto

by NavyGarlic December 21, 2019

Flex tape

A tape used to tie up the kids in my basement.

I mean...

If your wife is cheating on you use flex tape.
You wanna stab a goat use flex tape.
Kids haven't eatin in 7 days use flex tape.
Prostitute runs away, use, A GUN.
Gay person runs closer use A GUN.

by Hyphen_ July 5, 2020