Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Words of the Day
Browse
Add a Definition
User Settings
Definitions by William Stickers
MSM
Share definition
Flag
An
acronym
referring to
the mainstream
media
The 'MSM' is pretty
much
everything but
the
blogosphere
.
MSM
by
William Stickers
April 14, 2008
0
0
Get merch