the clinch 

when one has to desperately squeeze their asscheeks together because they have to shit badly

I was in traffic on the highway today and had to do the clinch for almost an hour.

the clinch by Johnny Tats August 27, 2008

velvet clinch

n. the description of what a woman's vagina feels like on a man's penis during intercourse.

"Her pussy gripped me like a velvet clinch, it was fucking great!"

velvet clinch by 6o66y dville December 12, 2007

miss clinch 

Superficially uptight teacher, but really a dominatrix at night who specialises in anal insertion of a barometer.

"Wow look at Miss Clinch go!"

miss clinch by :|| October 6, 2003

Owl Clinch 

While fucking your guy or girl from behind, you hoot like an owl. When they turn back to see what is happening, you clinch their head and spin it around (180 degrees like an owl), and you shove your cock in his or her mouth.

Steve is fucking Jill from behind. Steve says, "HOOT, HOOT"! Jill says, "What is that noise? Steve grabs her head and twists her head 180 degrees and shoves his cock in her mouth. While continuing to HOOT like an owl...thus an Owl Clinch.

Owl Clinch by Justin Bendover March 8, 2010

Snail Clinch 

A snail clinch is where you just got done having sex with your partner, and the female must clinch her vagina to keep the sperm from running out.

I just got done having sex and I had to Snail Clinch all the way to the restroom.

Snail Clinch by Missladydeath April 27, 2019

Couchie clinch

When your wearing leggings/tights and they ride up in your crotch and this fire burn occurs.

Omg Sally went to the nurses office after she did a split because she got Couchie clinch!!! Oml what da fuck!!!!

Couchie clinch by Official_Juba_ August 15, 2017

Denver Clinch

The utilisation of the bend of a partner's knee for penile stimulation

"We were having a gang bang and ran out of orifices so I bent their knee around my cock and for a good old Denver Clinch"

Denver Clinch by Yourmumwouldntlikeourwhatsappg October 21, 2017