"Gay Compilation" refers to a pornographic video that features multiple clips or scenes involving gay sexual activity. In this context, "gay" refers to same-sex male relationships, which includes but is not limited to kissing, oral sex, anal sex, and other intimate acts between men. A compilation typically combines various scenes or videos into one longer video, often edited together for a continuous viewing experience. The tag "Gay Compilation (gay)" indicates that the content of the video is specifically designed for an adult audience with interests in male same-sex encounters.