The term "NSFW" stands for "Not Safe For Work." It is used to indicate that a piece of content—such as a video, image, or text—contains material that may be inappropriate for viewing in a professional or public setting. This could include nudity, sexual content, graphic violence, or strong language. When you see "NSFW" associated with content, it’s a warning to consider your environment before accessing it.
The acronym NSFW emerged from the internet culture in the late 1990s and early 2000s. It is commonly used on forums, social media, and websites to flag content that may be unsuitable for public or workplace viewing.