"British Transsexual" is a porn video tag that refers to content featuring transgender individuals from the United Kingdom. In this context, transsexual generally means someone who has undergone or is in the process of transitioning from one gender to another (usually through hormones and/or surgeries). This tag indicates that the specific video or content includes participants with a British background and transgender experiences. It's important to note that this term should only be used by adults familiar with porn videos, and it may not be applicable in all regions due to differing cultural norms and attitudes towards gender identity