The porn video tag "sims-sex-mod" refers to a type of adult content related to the popular life simulation game, "The Sims." The term indicates that the content is focused on the use of mods or modifications, which are additional features or customizations that can be added to the base game. In this context, the "sex-mod" part of the tag suggests that these modifications enhance or add explicit sexual content to the game. This tag is used by adult audiences who enjoy engaging with simulated erotic experiences within The Sims game environment using modded elements