“Skerping” — to chew on something that’s not edible, like tape or wood. A decade ago, my wife got knockoff Sharpies that were named “Skerples.” We liked to imagine that our cat, Bonus Cat, had an unscrupulous corporation named Smidgeo that would sell shady products and services like Skerples. So when he’d chew on non-foods, we called it skerpin’.