Whos this now?

There was suddenly pressure at his lower belly, in a sudden, violent motion. She bucked, and his weight had been forward in an effort to trap her. It left him unable to rebalance, and she threw him forward so hard his head smacked the ground and his teeth felt jostled enough to fall out of his lips. He saw stars for a moment, and was too startled to move. He stayed in an unceremonial lump on the ground like that, trying to process what just happened.

When he did get to his paws, despite being shaky, he was already bouncing around. “That was wicked, that was so cool! You're smaller, but man you're brave and strong!” he said, not at all phased that he had just lost.