Ill-mannered 

Ill-mannered is a phrase of having bad manners, Lacking intelligence, or characteristics of a brat this word can be used as insults towards other people the word that is closed to it is the word unmannerly both of these words are like the same the difference in them are the definitions the opposite of unmannerly is showing good manners but in other words ill-mannered can be also used like having bad manners and not behaving properly well in social situations.

1. This person is so ill-mannered he is behaving like a buffoon.
2. What is wrong with this person? He is behaving ill-mannered in class he is just playing games all day with the lack of behaving well?

3. This person talks to me very ill-mannered and I am sick of it.
4. I cannot believe this I take him to acting class and he acts so ill-mannered.
5. This is a situation here and I see you are just laughing about it which makes you ill-mannered.

Ill-mannered by Clock Clock March 12, 2021

impeccably ill-mannered 

The quality of knowing how to offend and alienate as many people, in as short a time, as possible.

He was their new neighbor, so comprehensively offensive to everybody that within a couple of weeks of his arrival he was a laughing stock. No one wanted him there. No one was speaking to him, or ever would. He had trained hard to become what he was - impeccably ill-mannered. It was a talent given to few.

impeccably ill-mannered by Monkey's Dad May 10, 2021

jerb 

well known from south park
rednecks get angrry that future folk took there jobs so they yell
They took ouare jerbs!

Them future folk took ouare jerbs!

jerb by Jimberley Kim April 7, 2005

Cheeks 

An Irish phrase meaning shit, derived from ass
(Not to be confused with the literal description of one's buttocks)

"Did you hear the song Aylek$ dropped?"
"Hardly. Her music is absolute cheeks."

"My boyfriend say LaFlame is cheeks."
"Tell your boyfriend I said it's his mixtape that's cheeks."

Cheeks by thecartisan April 26, 2020

sans sheriff 

Lawless use of fonts or typography, with no regard to aesthetics or legibility

I'm putting this CV straight in the bin. Written totally sans sheriff.

sans sheriff by Jamarley July 3, 2019

Breadhead 

Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".

A breadhead is like a crackhead, but for money instead of crack.

Breadhead by 🅱️ U S 3 4 8 March 30, 2022

Stink lines

As seen in illustrations or cartoons: Wavy, vertical lines rising above a person, place or thing. Denotes a foul odor.

"You didn't put enough stink lines on your picture of the teacher."

Stink lines by Athene Airheart March 14, 2004