"mygayboss" in the context of a porn video tag refers to a specific fetish or fantasy. It typically implies that there is a scene where a male character, who happens to be gay, is the boss or superior figure to another person (usually a man) in either a professional or domineering scenario. The "gay" aspect here could mean that the boss has sexual relations with his subordinate, or simply that he's attracted to men and it's a factor in this particular power dynamic. This tag is meant for adult audiences and may not be suitable for all viewers