NMSL 

This is a chinese slang, which is the initials for “Ni Ma Si Le” which means your mom’s dead. Often used in curses for online/real life arguments.

A: You’re nothing but a keyboard fighter, suck it.
B: A, NMSL.

NMSL by BlahMaster July 18, 2018

NMSL 

The word "NMSL" is a pinyin(Chinese typing/pronunciation system) abbreviation of the Chinese phrase "你妈死了", which translates to "You mother died". The word is used as an insult mainly online and is a part of modern Chinese internet culture. The word gained popularity when mainland Chinese people, mostly teens, circulated government censorship to post pro-China propaganda on western social media and used this word to insult people who said anything negative about China

A(In a post): #StandwithHongkong
B(in comments): NMSL

A: Taiwan is an independent country:
B: NMSL

A: China is suppressing human rights, the government has...\
B: NMSL

NMSL by #StandwithHongkong October 6, 2019

nmsupremacy 

best barb page on tiktok outsold all u f@ds and c@rd! b

omg why don’t u follow @nmsupremacy on tiktok, instagram or twitter? 🙄

nmsupremacy by cardi b is a flop August 21, 2021

NMSL 

The abbreviation of "Never Mind the Scandal and Libel".(First time used by a famous Chinese rapper Sun Dog in his famous song "Showtime").

Kris Wu NMSL.

NMSL by #97 July 30, 2018

NMSL 

Α Chinese word stand for “your mom is dead”. Often used in internet when people are angry.

If you had α bad game, and you think someone did really poor on that game. You can tell them “NMSL”.

NMSL by WeirdAnimal June 4, 2018

nmsen

A failure to understand or interpret correctly.

I had a great workout yesterday, nmsen?

nmsen by easyf April 18, 2010

(s nm s?)

Perverted messaging

(s nm s?), otherwise known as s n mmses range from the deplorable to the absurd to the decadently deceitful.

(s nm s?) by Hercolena Oliver May 29, 2010