I was actually going to ask the same thing. What is it with fats and the way their butts seem to sort of flatten at an upward angle, and they develop this sort of...second butt? Above-butt shelf? Butt mantel?...above that upward-angled original butt?  It's like they're so huge they develop their own gravity field around the waist or something (well, midsection, they no longer have waists), and everything goes in weird directions. Or is that from sitting so much that the weight of the rest of their bodies pushes the butt-fat up like that? I'm sitting on my couch at the moment and noticing that there's a space between my lower back and the back of the couch, and that space is shaped sort of like a fat's hideous upside-down butt and is in the same place on my body, so...