A Brianna; A high schooler (typically femme-presenting) person with an extremely self-centered personality.
Doesn't consider other's boundaries, uses their friends as therapists to complain about all of their problems but won't reciprocate.
Rude and loud; steals other people's personalities to appear cool.
Oh my God, did you see Brianna yesterday? She kept copying everything I was doing, she's such a pick me ðð¤ð