Stone cold killer 

Ashleigh’s tend to be stone cold killers

Ashleigh was a stone cold killer yesterday

Stone cold killer by Alexcc October 30, 2017

Zygote Killer

Quite literally an abortionist

lindsay: what are they singing
laura: Zygote killer, liar, theif
lindsay: oh, ok

or

guy1: What do you want to be when you grow up?
guy2: A ZYGOTE KILLER!
guy3: Nice.

Zygote Killer by Lindsayhahahahhahaha July 29, 2008

Salmon Killer 

1. An electricity waster. Especially in regions run on hydro-electric generation.
2. General Term for an environmentally apathetic jerk.

"Turn the light in your room off salmon killer!"

Salmon Killer by Steve H. Perry February 27, 2009

Charmen Killer 

A person that uses way to much toilet paper to wipe their ass. This person often clogs toilets and has multiple toilet plungers in their home.

Tim: Dude, where's the toilet plunger; the toilet's clogged again?
Tom: How many times did you wipe?
Tim: 4, why?
Tom: You, Charmen Killer, you.

Charmen Killer by Challenge December 12, 2009

zatoichi killer 

icelandic slang, meaning a facist or Hitler-like person

That zatoichi killer is never changing his course of action, no matter how stupid his idea is.

zatoichi killer by dj harvey March 31, 2010

Cancer Killer 

The curer of your cancer. wears a long black gown, and a wide screen television on his head. Having dedicated years of research into finding the cure for cancer, he finds that a well placed gun blast to the face will just about do it. He makes an appearance in the game Mondo Medicals!

Player: This game is way too trippy
Cancer Killer: I will cure you cancer!
-bang-

Cancer Killer by Willard McNippleShits May 1, 2010

Comfortable Killer 

A killer who is oblivious to the fact (or not) that they are killing/harming something or someone is someway.

Look at all the garbage people leave around, polluting the ocean and ground for our future kids and animals.. Such comfortable killers.

Comfortable Killer by OneComfortableKiller September 4, 2010