A windy or curvy road that may make vehicle passengers nervous, often used in the Pacific Northwest.
I got carsick after my friend drove too fast on the clencher.
by mountainman2 January 18, 2021
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A woman who deceives men with how tight her pussy really is by clenching it shut like a trap door.
A: I boned Larissa last night, she was so tight
B: Are you sure whe was really that tight? She could just be a clencher.
by imaginaryMe October 26, 2013
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A suspenseful situation, typically referring to a TV show, movie, or book.
The season finale of The Walking Dead was a major Butt Clencher!
by madambluhhh April 14, 2015
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An emotionally charged rock song that causes you to drop to one knee, bend your elbow and curl your hand up in to a fist. Often accompanied by air guitar, open mouth dancing and big hair.
That Bonnie Tyler song really rocks.

Yeah, it's a real fist clencher.
by Thedukethe July 21, 2010
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Anything that causes enough excitement to tighten one's butthole. Can be thrilling or scary.
Man, this horror game is a real butthole clencher.
by Amy_S April 1, 2017
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The move a female makes when horny in an attempt to quell her loins
Gina sent Tori a really hot nude, it was one hell of a thigh clencher.
by Beryllium June 29, 2015
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(Or, "ball clencher", "cheek clencher", or just "clencher" for short)

A bad or painful result. Similar to having one's goolies put in a vice. Can also mean a bad or painful result for someone else.
Glen: What's up dude?
Sandeep: My God. I followed our analyst recommendation and bought Enron bonds. They've just filed for Chapter 11 and there's no bid for the shit. I've just lost $35,000,000.
Glen: Wow, that is a Class A goolie-clencher. Think you'd better find a headhunter.

Mark: How did the Quantum Mechanics exam go?
John: Terrible. Question 2, you had to derive the magnetic moment of the electron from scratch!
Mark: WHAT? What a ball-clencher! That takes hours!

Duncan: Was that snotty kid we saw last year bowling his shite?
Josh: Yeah, first two balls I smacked him for six, and then the next one I drove it back over his head for four missing his head by about 2 inches ...
Duncan: Clench!
by mp666 March 5, 2010
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