cold turkey

cold turkey
cold turkey  {adv.},  {slang},  {informal}
1. Abruptly and without medical aid to withdraw from the use of an addictive drug or from a serious drinking problem.
Joe is a very brave guy; he kicked the habit cold turkey.
2.  {n.}
An instance of withdrawal from drugs, alcohol, or cigarette smoking.
Joe did a cold turkey.
Categories: adverb informal noun slang