Impenstein 

A person who is being BEYOND impish. An Imp is usually defined as a small mischievous devil or sprite. Impenstein can be used as an insult to how another person is acting. An Impenstein is usually doing something stupid or bad. The word can also just be used if you are angry at another person.

You impenstein, thats a horrible idea.
Stop being an impenstein.
Stop spawn camping you impenstein!

Impenstein by bruhenir July 3, 2019

impentrintatable 

the feeling of being everywhere and nowhere at the same time

dude I’m so impentrintatable

impentrintatable by peaceloverandomwords July 11, 2018

Impentinent 

“Penitent” means “showing remorse for having done wrong”: it’s where the word “penitentiary” comes from. So “impenitent” means the opposite: it means he’s not sorry for anything he’s done, any crime he’s committed. And it’s been spelled wrong, because it’s a prison tattoo.

"Yea I killed all the those people, and I'm not sorry about it. In fact, I'm Impentinent about the whole situation" 🤷🏾 ♂️

Impentinent by Mr. SlyTyme January 11, 2024