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Not safe for Mind. When something is so retarded that the usual facepalm is not enough to express the extreme disappoinment and frustration.
Finally the new Bieber's song is out!" *posts link* "Jeez spoiler that crap, it's NSFM!
by ixigia:face: November 05, 2010
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No safe for minors. Pretty much self-explanatory.
"That site has too much nasty content, it's nsfm."
by Iwakura Lain September 19, 2005
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Not Safe For Mom. It might be safe for work, but you don't want your mom reading it -- especially if it's on your blog.
Should I post this link to College Humor? I wouldn't say it's NSFW, but it's probably NSFM.
by underscorebleach November 28, 2006
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Not safe for Muppets; An outfit or a picture that would get banned on Sesame Street after Katy Perry was censored for her cleavage in her duet with Elmo.
Your Facebook profile pic is NSFM, too much boobage!
That top is so NSFM, I can practically see nipple!
by Rockstalker September 24, 2010
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The NSFM tag originated in Reddit's /r/trees community of marijuana lovers. It means the post is Not Safe For Munchies, so you should avoid looking if you don't want to be hungry.
Man, you should have tagged that picture of pancakes as NSFM!
by LivingDeadInside July 02, 2014
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