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

Flex

An international exchange program financed by the Department of state. It brings foreign exchange students from post USSR countries

Who is that new girl?
She is a flex exchange student

by Katie 2020 June 5, 2020

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

Simp Flexing

Simp Flexing is when you brag on forums how many people your financially supporting.

Jack was Simp Flexing about how many only fans girls he was financially supporting and showing off acknowledgement clips.

by Excited Bike February 1, 2021

Plex Flex

Short for Complex. A plex flex is when someone’s complex is triggered. Not to be confused with ego.

He was ‘outside the bounds’ of the church because he plex flexed.

by Herbonics February 18, 2021

4am flex

Ballin anytime of the day

What you doing mate ? I'm just on that 4am flex boss

by Roscoe10123 April 19, 2018

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