When you've got Carnivorous Humanoid Underground Dwellers in your pants, believe me, you welcome getting kicked in the junk by a hot chick in spiked heels:
Although given the fact that the underpants carnivores like the taste of human flesh, I think it would have been more polite for her not to mention biting. But that's just me.
OnomontoPOWia -- it saves lives, my friends.