This porn video tag can be broken down into three main aspects:
1. Gay: Refers to the sexual orientation of the participants involved in the act, which is men having sex with other men.
2. Anal: Indicates that the specific sexual activity being performed is anal sex, also known as "sodomy" or "buggery." Anal sex involves penetration into the anus.
3. Fucking: Refers to the act of sexual intercourse or penetrative sex itself. This term can be used broadly but in this context, it specifies that it is anal sex between men.
In summary, this tag refers to a gay porn video featuring men having anal sex with each other.