Nodding your bum

You can shake your bootie. You can shake your finger. You can shake somebody's hand. And yes, you can shake your head to say 'no'. But rarely do people nod anything but their heads. Yet, on Monday when I finally tossed my draft to one of my writing bffs, I must have deleted a good 250 words of my novel simply by removing "his/her head." He nodded. She nodded. That is all you have to say. I know this. Yet, I did it a lot while pounding out my first draft. Let's see, 250 / 2 = 125...I wrote "He...