From Longman Dictionary of Contemporary Englishcold turkeyˌcold ˈturkey noun [uncountable] MDDan unpleasant physical condition suffered by people who stop taking a drug that they are addicted to addicts who are made to go cold turkey
Examples from the Corpus
cold turkey• Serve with slices of cold turkey or ham.• I quit cold turkey some 25 years ago, but the specialists simply shrug off this kind of information.• I quit that shit cold turkey and never did it again. 