Another description of what would be termed adulterated spirits, is by the vulgar termed "Corduroy," on account of the rough feeling which it imparts to the tongue and palate.]
[1834 June 16, John Edgar, “Minutes of Evidence, Monday, the Sixteenth Day of June, 1834”, in Evidence on Drunkenness, London: British and Foreign Temperance Society, published 1834, page 93