whiplash

I took that force and let it turn me all the way around, and as I completed the pirouette, I chopped him across the point of the jaw with the bottom of my fist. Armor or no, that is a lot of torque and leverage, and the blow whipped his head to one side. It should have given him whiplash at the very least. It didn’t.

-Relentless pg. 318, Kindle Edition.