B(f)AMF
A BAMF is someone who can beat up a whole class. A B(f)AMF is someone who can beat up a whole class and then beat up the teacher for making you do homework.
He can beat up a whole class. I can beat up the teacher. We're B(f)AMF.
That guy is a BAMF. I'm his B(f)AMF because we beat up the teacher together.
He's a BAMF. I'm his B(f)AMF. We beat up the whole class and then the teacher.