Sometimes, yes. The term NFS may also be employed sarcastically in some situations, such as when a person posts something that obviously is not being offered, but nevertheless puts NFS. It is normally not negative, but it is playful. But in chat lingo, when it is applied to refer to No Funny Stuff, it can be the sign of irritation or a caution to hold it together. These are some of the small emotional clues that can be picked up by understanding the tone and context of the situation online. Know more about what does nfs mean
