The term "nutt" is likely a misspelling or slang for "nut," which refers to the male ejaculation in adult content. When you see this tag, it indicates that the video contains scenes where the male character reaches orgasm and ejaculates. This can also include close-up shots of the ejaculation itself, often referred to as "money shots" in the industry. This tag is for viewers who enjoy watching these scenes or are interested in them for educational purposes about human sexuality.