Kill Hat 

U.S. Marine Corps nickname for the Drill Instructor at one of the two Marine Corps Recruit Depots assigned to a platoon of recruits and in charge of discipline. Sometimes combined with the Heavy Hat who is in charge of instructing drill.

"I was falling asleep in class when my Kill Hat caught me. I spent the next 30 minutes in the sand pit..."

Kill Hat by Pylon0311 October 1, 2012

Kill haters day 

Where furrys cosplayers therian and all the other people that get hate kill the haters as revenge for kill furries day

Billy:John you got the weapons to kill the hater
John: hell yes I do it’s kill haters day

Kill haters day by Furrys are cool August 14, 2023

Hate kill 

Hate killing is act of killing someone or something with extreme contempt towards them, and usually in an extremely gruesome or painful manner. Hate killing is not inherently rascist, just the by-product of an extreme hate and an extreme act of violence.

Dude, they made harpoon guns to hate kill the shit out of octopuses and sharks.

I'm going to hate kill whoever is playing that fucking music!

Dude, you totally hate killed that guy with a trident.

Hate kill by OHTEHWIN December 17, 2010

Killhatter 

A person who is mad about death and all things dark, Usually male he sits alone on a dark room and has very few close friends. Form the words : Madhatter and killing. Also slang for a long killstreak on a video game.

Oh my god killhatter is so Dark.

Wow, that guys is pulling a killhatter on this life

Killhatter by GhilliEwok July 14, 2013