1849 Coleraine Chron. 1 Dec. 4/2: The ‘slop sellers’ of London would not furnish the Correspondent with the list of prices they are [...] paying to their work people [...] think the slop trade is the ruin of young girls.at slops, n.1
1868 Coleraine Chron. 21 Mar. 4/2: It had always been customary in the country to burn powder in honour of a marriage.at burn powder (v.) under burn, v.