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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.
MSM by dny December 2, 2004
Related Words
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.
MSM by mrmotherfucker May 22, 2017
What Criminals on Jailbreak say on the team chat when the Museum Heist is open.
msm is open
msm by Veil between the worlds June 30, 2020
“ Im Married To The Money I Don’t Love Bitches ” - asshole by Mike Sherm that’s MSM
MSM by xo.melanyyyyyy August 14, 2022
msm.....main side man
Hey Tori, yesterday i happened to run into your msm
Msm by Tommilee September 6, 2018
Being a douchebag from a foreing country to gather unnecessary vaffanculos from everyone.
Here it goes with another unrequested msm like post..
Please, vaffanculo
msm by Ueistah April 3, 2017