The porn video tag "gay-cum-porn" refers to a specific category within the realm of gay pornography. This type of content typically involves explicit sexual acts between two or more men, with an emphasis on the climax or "cum shot." It is intended for adult audiences who are interested in and have experience with this genre of pornographic material. The term "gay" indicates the male-on-male nature of the content, while "cum" signifies the focus on the act of ejaculation, and "porn" denotes that it is a pornographic video meant for sexual stimulation or entertainment.