NSFT: Not Safe For Twitter. When a subject you want to tweet about is too inapropriate for your followers.
Guy: I wanted to tweet about the things i was doing to this chick last night but it was totally NSFT.
af walkofdoom 14. december 2010
1 more definition
Acronym meaning "Not Safe For This Site", which means that the content that it is directed towards is not appropriate for posting on a website or forum within due to content regulations.
(In the case of a forum, say a children's literature forum) Dude, that porn link is NSFTS.
af Da Rabid Duckie 25. oktober 2006