mm

a dumb, lonely, useless person.

eww she’s such a mm.

by person12340098 June 5, 2020

mm

: A sound of acknowledgement, used when nothing else could be said.

: A sound used when one has something to say, but would rather not for the sake of another.

Person A: I really hate Person C, they get on my nerves so often!
Person B: mm
Person A: I mean like honestly man! What a guy!

by mmMaster December 29, 2021

MM

Midnight
Minecraft

-Hey Justin, MM?
-Yeah sure Conrad.

Person 1: MM?
Person 2: Ofcourse bruv
Father: What's MM son
Person 1 & 2: don't worry about it

by Just your typical white guy November 30, 2019

mm vock

Another way to say "screw it" or just lack of care on a specific subject

Hey, did you make a good SAT score?
mm vock.

by lukemedcalf19 March 23, 2017

Mm

Mm is an abbreviation of Messmess (qv) An SMS making no sense due to word prediction, incorrect input, bad eyesight etc. Not to be confused with a Randmessmess (Rmm) q. v.

Sorry last message was an Mm, it should have said future not fuhrer!

by Pablo58 November 23, 2019

MM

Saying someone not measured by cm, just mm. (could mean any measurements: height, dick length, etc.)

MM was sleeping!! MM was eating!!

by fattylizzo February 29, 2024

2 mm defeater

ppl with small penises can use this line of words and mean it, but there is also ppl with BIG dicks that use it

small penis example: bro where is your dick? firend: its a 2mm defeater
big penis example: mhmm daddy its soo big. guy with big dick: yeaa its a 2 mm defeater

by sandeR_heh January 10, 2024