MSM

MSM (countable and uncountable, plural MSM or MSMs)

1. (organic chemistry) Initialism of methylsulfonylmethane.
2. (media, often derogatory) Initialism of mainstream media.
   • 2005 July 25, David Hogberg, “Soaking in Chemical Stews”, in The American Spectator‎^[1], archived from the original on 6 May 2021:

     Who can doubt there ought to be a law when the MSM shills for environmentalist scaremongers?

   • 2022 February 27, Hillary and the Russian payroll, “Frank Lombard is Duke Professor Gay Adoptive Rapist Dad: MSM Doesn't Care”, in alt.politics.usa.republican‎^[2] (Usenet):

     Interesting that initial reports from MSM failed to mention that Lombard is gay and this his adopted son is Black.

4. (epidemiology) Initialism of men who have sex with men.
5. (uncountable) Initialism of mechanically separated meat.
6. (dated, rare) Initialism of Mechanist Sergeant-Major (British Army).

MSM

1. (military, US) Initialism of Meritorious Service Medal.
2. Initialism of Modern Standard Mandarin.

• (Modern Standard Mandarin): MSC

MSM

1. (driving) Initialism of mirror, signal, maneuver.
2. (in personal ads or Internet slang) Initialism of male seeking male, man seeking man, or masc seeking masc.

   Near-synonym: M4M

   Coordinate terms: MSF, FSF, FSM

• M&M's, M&Ms, MMS, MMs, SMM

Initialism of mulher que faz sexo com mulher / mulher que tem sexo com mulher / mulher que realiza sexo com mulher.

MSM m (plural MSM or MSMs)

2. (usually in the plural) WSW; women who have sex with women.

   Coordinate term: HSH