An abbreviation that is widely used in texting and chat, and on Facebook and elsewhere on the internet, but what does NMU mean in slang?
Most Common NMU Meaning
NMU stands for Not Much, You?
Using NMU
NMU is used in response to someone asking you what you are doing, when you have nothing to say that is worth mentioning, and to return the question.
Example
Person 1: Hey, what’s up?
Person 2: nmu?
Alternative NMU Meaning
Northern Michigan University.
What Does NMU Mean?
Not Much, You?
Related Slang Terms
NM – Nothing much.