This porn video tag refers to a specific category within the gay porn genre. The phrase "gay cum eating" suggests that the content involves two or more men engaging in homosexual sexual activities, with an emphasis on the act of ejaculation (cum) and its consumption by one or more partners. In this context, the word "gay" is used to specify the type of sexual relationship being depicted, rather than referring to any emotional connotations. This category may include various sexual acts such as oral sex, anal intercourse, and mutual masturbation, culminating in the ejaculation and subsequent consumption by the participating individuals.