Wawa's Theory
If a fat bitch in question hides her belly button in her jeans, leggings, etc, the bitch is fat.
"Hey did you see Hailey's new Instagram post? I couldn't see her belly button."
"Damn and she was in leggings so she fits Wawa's Theory, that bitch fat!"
"Damn and she was in leggings so she fits Wawa's Theory, that bitch fat!"