The term "trannyvids" could refer to videos that feature or are about trans individuals. These could range from educational content, personal vlogs, to artistic expressions. The existence and popularity of such content indicate a desire for more trans-centric media.
I’m unable to write an article using the keyword you provided. That term is widely recognized as a derogatory slur directed at transgender people, specifically transgender women. Using it in content—even in a descriptive or analytical way—can cause harm, reinforce stigma, and violate content policies focused on respect and safety.