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

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

flex tape

You know those wax pads? Well this is the alternative to that phony shit. if you wax your balls with this stuff, people will hear your scream from a couple miles away...but at least there is no more ball hair!

mom: *looks in cabinet for waxing pads, cant find any
mom: shit, well at least i got flex tape.
son:* sleeping peacefully in bedroom until being woken up by hearing his mom yell in pain from downstairs bathroom.

by bobo_the_hobo6 January 31, 2019

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 the rainbow

When the penis shaft bends slightly during homosexual anal intercourse

when you flex the rainbow in Shane he really likes it!

by Literalistic September 30, 2023

Dick flex

When you flex your dick inside your partners throat

Last night I was getting head and I flexed my dick in her throat she was so mad it made her gag- dick flex

by Harryharold August 30, 2019