To tighten or bring together.
The kerning looks awful on that. Squinch the "C" and the "O" together.

We were 10 miles from the rest area and I was prairie dogging like crazy. I had to squinch my ass cheeks together to save my dignity.
by SmugSockMonkey January 09, 2005
Top Definition
Squeezing and pinching at the same time while taking a huge dump to compress it so that it doesn't rip your asshole on the way out.
The pain made me squinch just in time, or I would have had to get a chopstick to dig that turd out.
by Phuqit November 11, 2006
when you are tightening up your butt & gravy leaks out
Dan: "God, please...Jesus, please let me make it to the restroom!"(as Dan races towards the restroom, he squinches his butt) "OOPS, I feel gravy!"
by T.Wilson November 16, 2012
To narrow the distance between your lower eyelid and your pupil.
While being photographed by the paparazzi Brad Pitt threw in a squinch.
by Squinchmeister November 27, 2013
To squint while constipated.
I had to squinch to read the sign.
by Moosecoop December 14, 2014
Weird, or absolutley strange
That movie was sooooo squinchy
by TheSquinchMaster March 19, 2015
When you scrunch your face
"Upon his massive explosion of warm splooge that hit her directly in the eye, she was forced to squinch"
by Chosen 0ne May 22, 2013
When you squeeze and pinch something or someone. squeeze + pinch = squinch.
Seeing a baby with fat cheeks makes me want to squinch them.
by sassygirl40 May 14, 2012

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