Top definition
"mainstream media", major TV networks and large newspapers.
Blogs are eating into MSM eyeball share.
by MiF September 19, 2004
Get a MSM mug for your mom Sarah.
May 12 Word of the Day
When someone goes to the gym and spends 90% of the time on their phones scrolling through social media
Looks like its thumb day again for Jimmy with his usual routing... 3 sets of 5 snapchat selfies and 10 sets of scrolling through facebook until exhaustion
by Gary br April 02, 2017
Get a Thumb Day mug for your fish Günter.
2
Abbreviation for "mainstream media". No matter who you are, they're not on your side.
"Hey, Republican friend, did you see that news story on Bush?"
"Yeah, the MSM is so biased."

"Hey, Democrat friend, did you see that news story on Bush?"
"Yeah, the MSM is so biased."
by Bamos June 27, 2007
Get a msm mug for your mother-in-law Beatrix.
3
Mass Stupidity Media: the network of news, opinion and entertainment outlets from which most people acquire information about the world around them. So named because its once-vital role in keeping people constructively aware of civic matters important to their future, has been abdicated in favor of gossip, celebrity-fawning and misinformation.
"More people know about Miley Cyrus' tattoos or what name Sean Combs is going by this week, than have any clue who their own Senators or Congressman are, or how the government is supposed to operate -- and the MSM like it that way."
by Caomhainn April 10, 2014
Get a MSM mug for your mom Yasemin.
4
Men who have sex with men; an abbreviation initially used for classification purposes.
AIDS is no longer only an MSM problem.
by Ted Gellar March 14, 2005
Get a MSM mug for your cousin Abdul.
6
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
Get a MSM mug for your father-in-law Paul.