The porn video tag "gay teens" refers to a specific category within the adult entertainment industry. In this case, the term "gay" indicates that the content features sexual interactions between males. "Teens" specifies the age group of the participants involved, suggesting that they are young adults who have not yet reached legal adulthood.
In summary, the tag "gay teens" describes a type of pornographic video in which young adult male characters engage in same-sex sexual activity. This category is targeted towards an audience with interests in this particular theme.