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

konec hry 

To win a game, usually in a fashion where one completely destroys his/her opponents.

Derived from "Achtung Die Kurve" or (commonly referred to as "Curve Fever") in which konec hry appears in bold letters to demonstrate a player's victory.

William: I'm the best at this game, you'll never beat me Pinkney
Harrison: you'll never konec hry anyone ever Fred you gimp

konec hry by heychjay June 12, 2018

kolechia

The worst country in the world.
Arstotzka much better.
This is bad country.
do not go for summer vacations.
Go to Arstotzka Instead.

Everyone: "this country is the worst thing ever"
Everyone else: "yes it is. Kolechia sucks."

kolechia by Jorji Costava November 18, 2014

Kose nanat 

Means Fuck your mom

Kose nanat!

Kose nanat by Birm June 10, 2018

Koscharkh 

going out of the home without any purpose, some times to find some girls to fuck. (Persian word)

guy1) kojayi? (where are you?)
guy2) biroonam (outside)
guy1) che gohi mikhori? (what the fuck you are doing?)
guy2) koscharkh mizanam! (having some koscharkh)

Koscharkh by Mc-H December 25, 2009

Kosei 

Kosei is a common Japanese name for a boy, and its meaning is navigation and life. He is probably the nicest person you will ever meet in your lifetime. He is usually very athletic and also strives in academics.

Kosei is a genius

Kosei by okgoasteaikoo November 12, 2018

Koseki Bijou 

🗿 this is Koseki Bijou

me: 🗿
my friend: 🗿
koseki bijou: 🗿

Koseki Bijou by Aumon1042 August 2, 2023