"Gay Sex in Public" is a porn video tag that refers to explicit sexual scenes between two men taking place in an open or non-private setting. This type of content is specifically targeted towards an adult audience who are interested in gay pornography and enjoy the thrill or excitement of witnessing intimate acts happening in public spaces. The term "gay" in this context clarifies that the video features same-sex encounters between males, differentiating it from other types of public sex videos.