Bonekiller 

A word used to describe anything that turns someone off sexually.

"We were just about to make mad monkey sex until she let loose the nastiest fart I've ever smelled... Instant bonekiller."

Bonekiller by Coreytheman111 February 6, 2012

buzkiller 

A person that kills your drive, and or motivation. Putting you in foul mood, or causing you to shutdown in any way.

Shawty you are a real buzkiller!!!!

buzkiller by MwoBuggie April 28, 2016

Bizkiller 

Something or Someone that drives away business

Sometimes I wonder how a business is still open when the owner has such a bizkiller attitude.

Bizkiller by wordcarpenter December 20, 2012

boykiller

The art of breaking a boys heart, usually by breaking up with him. Also by friend-zoning him.

Matt: WOW SHE IS SMOKING HOT.

Zack: Watch out, she's a boykiller.

boykiller by TheClubCantHandleMeRightNow February 16, 2014

toy box killer 

nickname for serial killer and rapist David Ray Parker.

the toy box killer killed over 50 women

toy box killer by Grufflim May 27, 2021

Bombkiller 

A Title used by those that commonly use 4chan, Those that end up using the name "Bombkiller" often define themselves with titles such as 'Chad', 'Alpha', and occasionally 'Sigma', Despite the usage of these titles, none remain true and they are often described by those around them as Narcissist's and Queer.

Bro, Your not a 'Bombkiller', your just a queer

Bombkiller by Carjaxx April 29, 2022

Backiller 

Synonym of Backstabber

Used to refer to people who attack through the back. Usually used on shooters.

Bro, this game is full of backillers, im quitting.

Backiller by 2RHURQ3GHUQ580 February 20, 2023