The term "sims-4-lesbians" refers to a pornographic video featuring characters or scenes based on the popular video game "The Sims 4." In this context, "lesbians" indicates that the content of the video involves sexual interactions between female characters. So, the tag is describing a porn video where female characters from The Sims 4 engage in lesbian relationships and sexual activities. This type of content is designed for adult audiences who are fans of The Sims 4 game and have an interest in lesbian-themed adult entertainment.