Nigga cootie war

Refers to nigga cootie war, from the famous kpop song singing Korean that sounds "nigga cootie war, poggers butthole".

This is a way of using the n word without getting criticized since you can just say you are speaking Korean, but really you are just saying the n word. Nigga just means "you are" in Korean.

If you use it enough, your friend might join you to sing "poggers butthole". Which is the sequel of this amazing sentence and you and your friends can get away with anything ;)

Joe: "OMFG you suck at this game lol"
Bill: "Nigga cootie war .... (sings it)"
Joe: "ay wtf you cant say that"
Bill: "wdym im just speaking Korean"