NOTSAFEFORWORK
Not safe for work
Not suitable/safe for work is Internet slang or shorthand. Typically, the NSFW tag is used in e-mail, videos, and on interactive discussion areas to mark URLs or hyperlinks which contain material such as nudity, violence, pornography or profanity, which the viewer may not want to be seen accessing in a public or formal setting such as at work.The above text is a snippet from Wikipedia: Not safe for work
and as such is available under the Creative Commons Attribution/Share-Alike License.