When someone, while riding a dick, clenches their ass so hard that it cuts the blood circulation off.
Oh men, that girl was a 10/10 but she sure got a Superman Clench you know?
The act of squeezing you ass cheeks so tight in order to keep the turd from shooting out.
John: Yo it smells in here, do you have to poop?
Tony: Dude my bad my death clench can only hold so long, I need a toilet.
To Clench Ones Scrotum/ Testicles To the point they Ejaculate.
Hey Karen!
Yes?
I'm gonna Serbian Ballsack Clench!
I didn't need to know that Jerome.
To Clench Ones Scrotum Until They Hurt As an Excersise
Recently I've been Serbian Ballsack Clenching.
The collective noun for a group of assholes is a Clench. A murder of crows, a shoal of fish, a clench of assholes.
Sarah stared at the whole clench of them and wondered how many assholes one could fit into one boardroom.
When a female pillion passenger is riding a sports bike with a tiny rear seat she is said to be holding on with her lady parts, or with a Clenched Pepper.
Did you see the Clenched Pepper on the back of that Ducati?
An exceedingly firm clench, hold, or grasp around the shaft of the victim's penis, that is so forceful that it is deemed 'iron'. It is painful, and commonly used for, a bargaining piece, a way of releasing anger, an action of aggression, or to see the look on their face.
"I got George in such a good Iron Cock Clench that he almost pooped himself."