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 February 05, 2016
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flex purchase

To show off your wealth by buying something incredibly stupid, to buy something for its glamour rather than its practicality, flexity over quality
Luke: Hey man, that's a nice jacket, was that a flex purchase?
Liam: Yeah, this poor dude was standing next to me.
by ahsibfilm January 20, 2016
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Flexative

Birthed from the word 'flexable' this verb is commonly used amongst morons that believe adding 'ative' to the end of something makes them appear more intelligent.

This word is also used by those who go on camping trips and have too much time on their hands.
Ouch! My legs sure do hurt from this hike, I wish my muscles were as flexative as your mom's vagina.
by 1234456blacksheep October 18, 2017
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Kitty Flex

A kind of flex aiming to look cute and/or silly, similar to japanese cat motions.
goggle nyan and hope you find some girl acting like a cat? I can't really give a good example!
*kitty flex*
by Dannala January 08, 2011
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Flex karma

The bad stuff that happens to you when you show off and try to act cool. flex, flexing, flexin, show off, showing off, cocky, arrogant, bad boy, bad girl, bad actor, dick wagging, showoff, badass, karma, what goes around comes around, payback
I thought that musclehead was so tough strutting around the gym. He shoved that skinny dude and got knocked out. That's flex karma, baby!
by joecoolthefool July 01, 2016
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Dumb Flex

The meaning of dumb flex is to flex as much as possible !! Like a stupid flex! Or crazy flex. Dumb flex is being lit in all your might!! Whether it be clothing cars jewellery or even just your aura! Show off what you can🤪
Oh my gosh look at Miss LaFamilia, she's on some dumb flex with that new whip
by AlRaz February 11, 2021
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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
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