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In this context Loose Chippings is a group of short-short quips or otherwise unclassifiable fillers. However, our readers from the British Isles know that "loose chippings" refers to the gravel that is put down after a road has been resurfaced with thick oil or a slurry seal. The gravel helps prevent the very viscous liquid from running. As cars drive over the loose chippings, the discrete pieces are forced into the resurfacing element, lending further stability.