"Teach Twinks (Gay)" refers to a category within the gay porn genre, where experienced older men or "mentors" teach or instruct younger, inexperienced male partners ("twinks"), often through intimate and sexual acts. This tag is for adult audiences who are familiar with pornography and its content. It suggests that the video features a scenario where one partner has more knowledge or experience than the other, and the focus is on guiding and educating the younger participant in various aspects of gay sex.