I've had to think long and hard about this one. There are so many things about seeing girls fight that really get me going. From the trash talking to the stare down, the initial punching to the hair pulling, and the fighting on the ground.
But if I had to pick my most favorite part of the girl fight, it would be the all too rare body to body, tit to tit, thigh around thigh contact.
It seems that too many fights feature the girls trading punches like the guys. But I love seeing two girls pressed close together, holding each other tightly, their bodies pressed together, tits pressing flat against each other, thighs either pressed together or wrapped around each other, all the while pulling hair with all their might. They could either be on the ground, one atop the other, or one girl pinning the other against a wall, pressing her body into the other girl.
That's how I'd like to see all girls fight, but unfortunately, it's all too rare in real fights.