Answer:

nsfw

AnswerCrossword Clue
NSFWDirty art link letters?
NSFWInappropriate for on-the-job viewing, in Web shorthand
NSFWOffice-inappropriate, in web shorthand
NSFWOnline heads-up
NSFWTag for inappropriate online photos
NSFWWarning letters on some graphic videos
NSFWOnline warning letters
NSFWWarning letters on racy links
NSFWWarning made with H.R. in mind
NSFWTrailer advisory
NSFW[Warning: explicit content]
NSFWYou might be careful opening something with this label
NSFW[Avoid watching this in front of the boss]
NSFWLetters of warning on internet sites
NSFWWarning letters next to a web link
NSFWWarning letters next to a link
NSFWWarning initials above an Internet link
NSFWWarning next to an internet link