Cold turkey
WordNet
noun
(1) Complete and abrupt withdrawal of all addictive drugs or anything else on which you have become dependent
"He quit smoking cold turkey"
"She quit her job cold turkey"
(2) A blunt expression of views
"I told him cold turkey"
WiktionaryText
Noun
- The sudden and complete withdrawal of a dependent substance, especially of a drug
- The physiological effects of such a withdrawal
Adverb
cold turkey