MSM

An acronym referring to the mainstream media

The 'MSM' is pretty much everything but the blogosphere.

by William Stickers April 14, 2008

MSM

A game called My Singing Monsters.

"Have you heard of MSM?"

"Yeah, its a really fun game!"

by KayleeGachaStudios November 27, 2019

MSM

Men who have sex with men. Used to include those who engage in homosexual behavior, but do not identify as gay.

The CDC is doing a study on sexual practices among MSM.

by dny December 03, 2004

MSM

Methylsulfonylmethane, a health supplement. In pure form it is used to cut mainly meth among possibly other drugs.

This is okay meth, it might be cut but only with MSM which is safer than other things to cut it with.

by mrmotherfucker May 22, 2017

MSM

Mike Sherm Mentality

“ Im Married To The Money I Don’t Love Bitches ” - asshole by Mike Sherm that’s MSM

by xo.melanyyyyyy August 15, 2022

Msm

msm.....main side man

Hey Tori, yesterday i happened to run into your msm

by Tommilee September 07, 2018

MSMS

MSMS is Music Soul Mate Sisters. A msms is som1 who is usually 1 of ur best friends. they know and love all the music or almost all the music u do. msm is a music soul mate and they r usually som1 u wouldnt mind dating and they also hav they same taste in music as u. A msms is a friend 4 life.

Cidny 2 Cathy "Tina and Nikki have identical i-pods!"
Tina and Nikki at the same time "well duh we're MSMS"

by nikkimarie13179 December 23, 2009