MM

Short for Major Mistake.

Pete: "Greg spelled salt, salc"

Trey: "What an MM"

by Christian Pertersen January 26, 2009

mm

Used by Pagan people as a greeting on the 'net.
It means "merry meet"...

Me: mm...
You: mm!
Me: how are you?
You: I'm fine thanks.

by Ette July 1, 2003

mm

mm monkey

mm monkey

by bihwtf69 April 18, 2020

MM

2000 in Roman numerals.

MLMXXXIV =1984

XXIV = 2004

roman numerals are gay

by Gumba Gumba August 3, 2004

mm by

An awkward way of ending a phone conversation.

I'll see you later, mm by.

by mimi11mary May 5, 2015

MMS

Morning Make-up Syndrome: waking up next to a female who looks fugly without her make-up on. OR a female who wears too much make-up and looks falsely hot and looks fugly when the make-up comes off.

i was gonna t-bag this ho, but her MMS unstiffed me.

by autoreverseaudio June 13, 2004

mm

1) Marilyn Manson (the weirdass)
2) Malice Mizer (the band)
3) Morning Musume (the girl idol group)

1) i dont give a shit about mm
2) mm disbanded years ago
3) i dont get why so many guys like mm

by Tosh April 15, 2004