MU

An acronym that means Mutual Understanding

Person 1: 'you two officially broke up?'
Person 2: 'yeah, we had a MU and ended it peacefully.'

by Kitten0407 April 9, 2017

Mu

Someone who uses super long words to flex on others less intelligent then them. Usually on a discord chat whilst being owned.

Mighty Mu

by dafukrdat November 8, 2018

Mu

A little cute ball

Look at that nice mu! It's all round and cute!

by Kitkatmu December 6, 2011

MU

Multi-user: Multiple users.
Often used for online games or puzzles, originally for one person, that has been adapted or recreated for multiple users.
OR:
- Collaborative
- anything implying multiple users

See also MUD (Multi User Dimension, Dungeon or Domain)

Multi user game, Multi user version, Multi user solitaire card game.

by yupp November 16, 2007

Fuji-Mu-Mu

verb. as in to joke

wow that was a right fuji-mu-mu.

you are fuji-mu-muing me!

by izzit-me February 4, 2010

Mu

A short way to say me and you. Not many uses, if you are gramatically correct, but who is?

Mu got in so much fucking trouble that day.

by XtfotX January 22, 2009

mu

it means my universe.

textin** NI: U are sooo cute stinkkk Zyia : THANK YOUU MUUUU

by Niya<3sJAY March 5, 2022