In Charles Mackay's 1877 book The Gaelic Etymology of the Languages of Western Europe and More Especially of the English and Lowland Scotch, and of their Slang, Cant, and Colloquial Dialects, I ran into the curious low slang word chickaleary "aged pedestrians on winter mornings" (evidently, a collective noun).
~ Anatoly Liberman, from Origin Uncertain: Unraveling the Mysteries of Etymology