The porn video tag "ts-bbw" has the following meaning:
"Ts": It refers to the category of Transsexual content. This means that the video involves individuals who may have undergone gender transition surgery or are in the process of doing so.
"Bbw": It is an acronym for "Big Beautiful Woman". This term is used to describe larger, curvy women with a fuller figure, and often these videos focus on scenes featuring such women.
So, the tag "ts-bbw" implies that the content of the video will include transsexual individuals who are big, beautiful women with a curvier body type.