The Clench Instinct

When a human dies, their final instinct is to clench their lower orifices. This is why Necrophiliacs claim that corpses are better than the real thing.

Human 1: Dude you see that girl when she was almost stabbed.
Human 2: Yeah, you could see the clench instinct kick in.
Human 1: Yeah dude, it was hot.

Stephen Hawking: My best discovery for science was and will always be, the clench instinct.

by erwkjls;lkqy54gb March 18, 2019

Booty Clench Turkey Legs

A sudden clench in a turkeys buttocks down to it's legs. Often used as a joke for memes.

Why was the math book so sad?
Person: I don't know, why?
Booty Clench Turkey Legs
Person: What?

by Taida.uwu March 15, 2020

Caterpillar Clench

In other words the vaigina as a grabbing tool.

We went on a date and I got my Johnson caught in her Caterpillar Clench, no complaints

by The Gitfiddl3r May 24, 2021

Superman Clench

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?

by SmileyFarts October 15, 2021

French Clench

Deadly sex technique, two partners clenching on their private parts as hard as they can, while french kissing, until one of them passes out. May involve urine, ropes, slurry, homeless people, BDSM gear, feces, and rarely : live animals.

- Bob, How's your sex life with Stanley?
- We keep it kinky with the French Clench.

by totus tuus March 6, 2024

Iron Cock Clench

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."

by urbandefiner2000 May 7, 2015

Check his clench

To mentally evaluate mandems ability and determination to squeeze innit

Ayo check his clench, he ain’t really bout it

by anonymous November 26, 2021