Disgustant 

1. A truly disgusting (and usually unattractive) individual.

2. A repugnant psychopath that is disliked by most who are acquainted with it. Often oblivious of their own revulsion and of how disliked they truly are.

A combination of the words disgusting and repugnant.

She was the proverbial office pariah - A disgustant and outcast that few would have anything to do with - due in large part to her disagreeable and narcissistic nature.

Disgustant by Andrew - Johannesburg June 12, 2012

disgastan

When someone doesn't know how to flush the toilet after they've had a shit (shet)

"Why does somebody not know how to flush the toilet after they've had a shet? Well it was fuckin' one of yas! DISGASTAN!"

disgastan by sargav November 26, 2014

DISGUSTANG 

The single most useful adjective in the english language.

Kid: *forgets to flush the toilet after taking a sheet*
Mother: DISGUSTANG!

DISGUSTANG by Big Stale Meme December 7, 2018

Truly disgusting that some “people” would do this horrible thing. 

A comment chain started by ToaLegend and was first seen on Jschlatt's, "I am disgusted." YouTube video. It is now a virus that has spread throughout many YouTube channel's comment section.

Me: oh cool, a new video from (insert channel)
Also me: *checks comments while watching*
Truly disgusting that some “people” would do this horrible thing.
Truly disgusting that some “people” would do this horrible thing.

Truly disgusting that some “people” would do this horrible thing. by 2k._j4y February 5, 2021

Disgustness 

Alternative for level of disgust.
As slurred / created by Stacey Chamberlain 17th May 2019

A: That's shocking
B: I know right, maximum disgustness

Disgustness by Jaymz1976 May 18, 2019

Disgusting Black Creatures 

Get out of my sight.

-Shadow The Hedgehog from the game Shadow The Hedgehog

Shadow The Hedgehog: DISGUSTING BLACK CREATURES GET OUT OF MY SIGHT!

Disgusting Black Creatures by Chase Hayek January 13, 2021

disgusting fatbody 

A member of the military who is clearly too fat for effective performance. Originating from Stanley Kubric's "Full Metal Jacket".

"Are you allowed to eat jelly doughnuts, Private Pyle?"
"Sir, no sir!"
"And why not, Private Pyle?"
"Sir, because I'm too heavy, sir!"
"Because you are a disgusting fatbody, Private Pyle!"

disgusting fatbody by Lycomedes December 17, 2008