ppl. adj. (racing, thieves’, and vagrants’).—Hocussed; spoiled; ruined; e.g., a house is said to be COOPERED when the importunity of many tramps has caused its inmates to cold-shoulder the whole fraternity; a COOPERED horse is a horse that has been ‘got at’ with a view to prevent its running.
1851–61. H. MAYHEW, London Labour and the London Poor, vol. I., p. 232. ‘COOPER’D,’ spoiled by the imprudence of some other patterer.
