"Gay dogging" is a term used in the adult industry to describe a specific type of pornographic content. The term "dogging" originates from the UK and refers to public sex encounters, usually involving outdoor settings like parks or rest areas. "Gay" denotes that the video features men engaging in sexual activities with each other. So, the term "gay dogging" would refer to a video that involves two or more men having sex in an outdoor or public setting. The term is used by pornography creators and consumers alike as a way of categorizing and searching for this type of content.