It is when you underestimate something you did, which is really challenging to others as if it was nothing so that you sound like you are modest and don't want to flex, but in reality, you are just flexing implicitly.
-So I forgot the formula during that test, but I derived it quickly by neglecting the value of "such and such" and canceling "term" with "term" to derive the formula in a not-very neat fashion XD, gosh I'm so stupid!
-Bro, stop anti-flexing.

-I was getting bored lately with the Java syntax so I made my own programming language, it is a stupid language tbh.
-ngl that was a good anti-flex.
by primitiveMind May 10, 2023
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strong flex tape is something that mark rober secretly makes but doesnt sponser
strong flex tape yeeeeeeeeaaaaaaaa
by WORD123456789WORD February 22, 2022
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When you stop being nice and humble and you show others your superiority
"Bru, i'm sick of this dude I'm about to bring the flex
by indigoproxy March 20, 2019
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A flex which is not awkward like a normal weird flex, but is weird in it's contents while nonetheless impressive.
"I won a game of chess on my phone while using it as a bat to play table tennis (real story) ."
"That's a real weird flex
by Soosmon July 1, 2023
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the act of wrapping your dick and another mans dick together using flex tape and preforming anal sex
John- why would anyone preform a flex tape duo?

John 2- cause that shit water proof

John 3- NOW THAT'S ALOT OF ANAL DAMAGE!
by I Eat Ass. August 15, 2018
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the act of wrapping your dick and another mans dick together using flex tape and preforming anal sex
John- why would anyone preform a flex tape duo?

John 2- cause that shit water proof

John 3- NOW THAT'S ALOT OF ANAL DAMAGE
by I Eat Ass. August 15, 2018
Get the Flex Tape Duo mug.