To become calm and comfortable. Relax.
She saw a need for a downtown club where women could slanch.
by blogus May 31, 2016
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A repulsive slut often with a bad odor and sickly pallor.
Adam was in the back alley talking to a slanch.
by Mountain Wordsmith August 12, 2022
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the most epic of all slits, can be used in any context for any word including describing someone, cumming, or a dirty vag
that bitch has the dankest slanch ive ever seen.
i am going to slanch all over you're hat.
You are such a fucking slanch.
ZOMG SLANCH
Jesus fucking slanch
by old prospector June 29, 2008
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A word that is universal and can be used in almost any context! It can be used a verb as well! I it typically invokes feelings of positivity and having a good time, and is most often used an exclamation. It truly is just a concept that can describe something great or even something unfortunate.
Oh man, we are going to have such a great night tonight and slanch it up!

Jeez, I am just failing at life right now, slanch.

I just won the lottery, slanch life baby!!
by January 31, 2021
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1. The act of relaxing slightly while maintaining posture.
2. Any slight reclination of the upper body.
As you see, I lose no presence when I slanch.
by Pally Maldone June 2, 2010
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Slanched is to show that you are sitting in a manner that is not polite and is to show you're not sitting up but rather in a position to show that you're in a bad mood
"I was slanched against the tree while I watched my friends gather supplies to make the fort"
by GreeneggsandSam5 December 9, 2018
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