This porn video tag contains three separate components that describe specific characteristics of the performer(s) involved:
1. MTF: This acronym stands for "Male to Female." It refers to a transgender individual or performer who was assigned male at birth but identifies and is transitioning as female. In the context of porn videos, this tag indicates that the performer is a male-to-female transgender person.
2. AMAB: This acronym stands for "Assigned Male At Birth." It's often used in discussions about transgender individuals to emphasize their birth assignment as male. In the context of this porn video tag, it further clarifies that the MTF performer was assigned male at birth.
3. Brunette: This term refers to a person with brown hair. In the context of this porn video tag, it describes the hair color of the MTF performer featured in the video.