Koste 

Kinda stupid but sensitive guy

Koste: I think I just made up a word
Literally everybody else: no just stop, you didn't

Koste by NotEmka February 15, 2018

khar koste

a beautiful Persian word that means bless and protect your sister. it's a polite gesture that you should say to express gratitude towards someone's sister. A Persian friend will really appreciate it use it on your friend's sister's birthday or anything related to a loved one's sister

Hey bro, I know it's your sister's birthday so khar koste btw!

khar koste by churrel125473 October 24, 2022

kolten wong'd 

To get picked off or caught doing something stupid, referencing how Kolten Wong got picked off to end game 4 of the 2013 world series.

Bill: Mrs. Smith is such an ass, i hate her so much.

Mrs: Smith: excuse me?

Larry: man you just got Kolten Wong'd!

kolten wong'd by BobbyV22 March 8, 2014

Kester’s Balls

A term used to denote signs of depression and complete hatred for sports;Volleyball and recreational Volleyball

Gabriel:”Hey,are you going for the friendly tomorrow?”
Chester:”Nah fam,I got kester’s balls”

Kester’s Balls by Crayson February 8, 2019

Kosher Casino

Noun. A synonym for the stock market

Boris: The entire market is down today but I made 3,000 bucks
Rodger: Dang you played and won at the Kosher Casino. Beat them at their own game

Kosher Casino by Duke, PhD February 2, 2023

Kontebonker 

Kontebonker is an insult and it literally means "assbanger" in Dutch. Kont means ass or butt and bonker means banger. The word kontebonker is mostly used to say that a person is gay.

That guy looks so queer... Yep, he definitely is a kontebonker.

Kontebonker by Ryuuketsu February 19, 2011

Koser 

Originated from the abbreviation KOS "Kill On Sight"

It's a word in online video games used to refer to people who are KOS.

It is more commonly used in the online game Roblox.

Dude, that koser just killed me for no reason.
The kosers are killing everyone.
i'm hackin all of you stopid kosers,

Koser by Mr.Koalas April 25, 2020