Term can be used in a variety of ways but basically comes down to a woman coming before the guys. Pretty self-explainatory. If one were to see somone like Tamez, one wouldnt need a reason, and you could just shout it at him. BBH! its already implied as to why.
When the boys are chillin..one recieves a call from his women tellin him to come home(or anything suggesting he leaves for her)..one would respond .....YO son, BBH!