[cold turkey] n (1921) 1: abrupt complete cessation of the use of an addictive drug; also: the symptoms experienced by a person undergoing withdrawal from a drug
2: unrelieved blunt language or procedure
3: a cold aloof person -- cold turkey vt
[2]cold turkey adv (1941): without a period of gradual adjustment, adaptation, or withdrawal: all at once "quit smoking cold turkey"