Insanekat 

The definition of insanity

Guy 1: oh my god you ever seen kat? She seems like insanekat

Guy2: she’s using that emote again

Insanekat by Suckyourmum6900 April 19, 2022

insanimation 

cartoons or animated shows dealing with topics so out there it could be described as only existing in a mental patients head.

That was such high caliber insanimation i felt like i was going crazy just watching it.

insanimation by Otrakei April 11, 2009

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

InSaneGame

Known on IRC to crack Forums, Websites, and web requests for users. Good at pointing out flaws and manipulating code. Holds world record scores for: Quake III

"InSaneGame" a user.
Irc pretaining to dalnet/efnet/UN/YH/r00tsec/wondernet
Clients such a Xchat & Mirc

InSaneGame by MAX_milli March 5, 2009

insanitation 

Something so filthy that it causes insanity.

After looking at his room, his parents suffered from insanitation.

insanitation by Capt Craptacular September 28, 2006

Insanitator 

A factor or factors that act as catalysts for insanity.

The first step towards this realization that both works take is the establishment of the environment as unordered, as the insanitator.

Insanitator by Jack December 1, 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