The porn video tag "tgir-fucked" refers to a scene in which a transgender woman, also known as a transsexual female or "tgirl," is engaging in sexual activity that involves being penetrated or fucked. This could be any type of penetrative sex such as vaginal, anal, or oral, but specifically with a tgirl participant. This tag is for adult audiences who are familiar with the terminology and the concept of transgender women participating in adult content.