This porn video tag appears to be a combination of several elements:
1. "asians": Refers to the content involving Asian individuals, typically in a sexual context. In porn videos, this often refers to performers or scenes featuring actors and actresses from Asia.
2. "shemale": A term used in adult content to describe transgender individuals with male-to-female gender identity. Shemales are commonly featured in specific niche categories of pornography.
3. "fan": This can refer to fans or enthusiasts of a particular type of content, such as those who enjoy and support shemale performers. In this context, it might be interpreted as an appreciation for Asian shemales.
4. "2018": The year mentioned in the tag likely refers to its creation date or when the related content was produced. It may also signify a specific event or trend during that time.
Overall, this tag seems to denote a porn video featuring Asian shemales, targeted towards fans who enjoy and appreciate such content from 2018.