Originally Posted by GFED

Well my idea of a fist fight is when the other person hits the ground, you let him back up. If he wants some more, you knock him to the ground again. You do not however beat him while he's down.

edit: Yes, these days many people like to grapple, wrestle, and take the fight to the ground. But when you deny the opponent to tap-out, cry uncle, and continue beating him while he's screaming for help then it's quit excessive.