1. abrupt and complete withdrawal from the use of an addictive substance, as a narcotic drug, alcohol, or tobacco.
2. go cold turkey,
a. to stop using an addictive substance abruptly and completely.
b. to undergo sudden and complete withdrawal from a habitual activity or behavior pattern.
c. to begin or do something without planning, preparation, or practice.
Pronunciation: (kōld'tûr'kē), [key] Slang.
to withdraw from (an addictive substance or a habit) abruptly and completely.
to withdraw from an addictive substance or a habit abruptly and completely.
abrupt and complete: cold-turkey withdrawal from drugs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.