what does smut mean

“Smut” is an informal term that usually refers to obscene or pornographic material — especially written or visual content that focuses on sexual activity. In fanfiction and online communities, “smut” commonly labels stories or scenes that contain explicit sexual content and are intended for mature readers only; such works are often tagged as R-rated or 18+. Outside of that usage, smut can also mean dirt, soot, or a stain (for example, a smudge on a surface). Because the word often signals adult material, it’s a good idea to respect content warnings, age restrictions, and community tagging when you see “smut.”