"Punish Shemale" is a porn video tag that refers to a specific category within the adult entertainment industry. In this type of content, a shemale or transsexual performer, who typically possesses both male and female characteristics, is involved in a scene where they are being punished or disciplined, often through dominant/submissive roleplay or BDSM (Bondage, Dominance, Sadism, Masochism) practices. This tag indicates that the viewer can expect to see elements of punishment or discipline involving a shemale performer in the video.