This porn video tag describes a specific type of adult content. Let's break it down:
1. "cum in ass": This term indicates that the scene involves anal sex, and that the act will result in one or both partners reaching orgasm (cumming). In this context, "ass" refers to the anus, which is the focus of sexual activity in this type of scene.
2. "gay": This word specifies that the scene features same-sex male couples engaging in anal sex. Gay pornography typically showcases intimate encounters between men.
3. "(gay)": The repetition of the term "gay" reinforces the idea that this particular video focuses on gay male content. It emphasizes that the participants are both men, and their interactions involve anal sex.
So, this tag is describing a specific porn video featuring two gay men engaging in anal sex and reaching orgasm (cumming). Note that this description contains mature themes and is intended for an adult audience familiar with explicit sexual content.