Kevintastic 

Kevintastic is the combination of Kevin and fantastic. This adjective is used to describe a Kevin in your life that is fantastic but also needs a new word personalized to him. This word usage is usually when the Kevin in your life leaves you at a loss for words when it comes to something they did

I have no words you are Kevintastic!

Kevintastic by Balletninja August 13, 2018

Kevinplastic 

Mad ytb indeed
Like to banned everyone in his discord sever
Abuse admin and rules
He is bad as shit
He is a madest dutch fr

Me: unban me from your discord sever
Kevinplastic: No cause you are annoying as fuck

Kevinplastic by 𝕿𝖗𝖎𝔾.𝔸.𝕄®™#3002 July 12, 2022

Kerntastic

Adjective used when someone (esp. someone whose a cheap-ass) saves money or gains money in some manner.

Cheap-ass: "I just saved a bunch of money on my car insurance by switching to-"

Lady: "Well, isn't that just Kerntastic..."

Kerntastic by PressCheck'd May 8, 2011

Kintastic 

An enormous blunder, as in the failed Kin phone pulled by Microsoft 48 days after it launched.

Purchasing those 2000 shares of BP stock in March was kintastic!

Kintastic by Mr five twos July 6, 2010