This porn video tag can be broken down into three main elements: "huge," "cock," and "tranny."
1. Huge: This refers to the size of the penis, implying that it is larger than average. In this context, it suggests that the transgender individual featured in the video has a very large penis.
2. Cock: A slang term for a penis. It's used here to directly describe the sexual organ being focused on in the video.
3. Tranny: This is an abbreviation of the word "transgender," which refers to individuals whose gender identity differs from their assigned sex at birth. In this context, it's describing the performer or participant who identifies as transgender and has a large penis.
In summary, the tag "huge-cock-tranny" is referring to a transgender individual with a very large penis, often featuring scenes of sexual activity in pornographic content.