The tag "new-gay" in a porn video context means that the content features a young or inexperienced male participant who is engaging in homosexual activity for the first time, or it could mean that the scene is showcasing a fresh and new approach to gay content. This tag often implies a theme of curiosity, exploration, and innocence as the character navigates his first sexual experience with another man.
Remember, this tag is intended for adult audiences who are familiar with pornographic content and its classification systems.