NSFW is an abbreviation for words like Not Safe For Wife, Not Suitable For Work, but mostly accepted as Not Safe For Work.

It is an internet slang that is often used to describe online posts that are mainly associated with heavy nudity, sexual, heavy profanity and other things that could often link with pornography. Most of the time, NSFW is used for a fandom of some sort when people want to discuss and share the sexual and porno side of the fandom.
Check out my post for Star Wars!

Warning: NSFW!
by Daviddv0601 January 27, 2017
Get the mug
Get a NSFW mug for your cousin Abdul.
Not Safe For Work. Used to describe Internet content generally inappropriate for the typical workplace, i.e., would not be acceptable in the presence of your boss and colleagues (as opposed to SFW, Safe For Work).
by The Internet September 12, 2003
Get the merch
Get the NSFW neck gaiter and mug.
Short for Not Safe For Work (or Not Suitable For Work), which includes things like: Pornography, gore, fetishes and other shit. If any of your co-workers or your boss finds you watching NSFW, it's gonna be embarrassing and you'll get fired. Watch it at home at your own privacy.
Worker: Huh? This is interesting... "Anime girl has a fun time"
*sees hentai and hears moaning*
Worker: Oh shit! I better clear this NSFW crap and clear the history before anyone sees it!
Boss: DID I JUST HEAR MOANING?!?
Worker: No sir, it was just "business" ;)
by someunfunnyguy69 August 18, 2018
Get the mug
Get a NSFW mug for your buddy Jovana.
Not Safe For Work. Used to describe Internet content generally inappropriate for the typical workplace, i.e., would not be acceptable in the presence of your boss and colleagues (as opposed to SFW, Safe For Work).

basically... porn
by Dave Egbert July 08, 2015
Get the mug
Get a NSFW mug for your bunkmate James.
NSFW is an abbreviation of Nobody Survives Fighting Wario
*homies playing mario party*

homie1: Dang it. I lost again

homie2:NSFW
Get the mug
Get a NSFW mug for your coworker Jovana.
Not Safe For Work, used to refer to documents that would probably get you fired if you were looking at them on worktime. Usually R rated or higher.
Warning: This icture is NSFW.
by TweedyChic May 12, 2005
Get the mug
Get a NSFW mug for your Uncle Trump.