The porn video tag "brazilian-man" refers to a man of Brazilian descent or nationality who is participating in a sexual context within the adult content. This could imply various physical characteristics, such as skin tone, facial features, or body type that are typically associated with Brazilian men. It may also refer to cultural differences or preferences related to their national origin. However, this tag does not necessarily mean that the man is fluent in the Portuguese language or from a specific region within Brazil. The primary focus of this tag is on the man's ethnicity and its relation to the adult content.