insanest 

Cultist who is a retard

Ur a fucking insanest

insanest by Zat boi March 25, 2017

insanistupid 

It’s like insanity and stupidity had a bastard son

The meth-head behind the counter at the parts store was insanistupid, she didn’t even know where she was, let alone anything about auto parts

insanistupid by WarHammer(Jarrod) September 3, 2019

insaneatic 

A hybrid of insane + lunatic. A person who is not sound of mind or who I don't like. (Alternate spelling: insanatic)

Run! INSANEATICS!

insaneatic by Blizzleair July 19, 2003

Insanental 

Used to describe "Planetary Duality" By The Faceless. Meaning insane and mental. Hence Insanental.

Plantary Duality is INSANENTAL!
Wow! That's insanental!

Insanental by Jack Bauer 404 April 21, 2009

Insanist 

a real word to mean very insane.

That LOL game was the insanist

Insanist by nagto January 14, 2022

insaniest 

A person who is the more insane than another insane person

She is the insaniest

insaniest by VaimIsAFag January 8, 2018

Insaniest 

A person who is more insane than another insane person

This person is more insaniest than that person

Insaniest by VaimIsAFag January 8, 2018