quit (something) cold turkey

To stop doing something abruptly. The phrase is most often used to describe the sudden cessation of a drug. After smoking for so long, I should have never tried to quit cold turkey—the withdrawal symptoms are unbearable. I'm so impressed that you quit gambling cold turkey!

Common Names:

Name	Pronounced	Usage
Phelan	-	Irish
Aris (1)	-	Greek
Vitale	-	Italian
Do-Yun	do-yoon	Korean
Heiko	HIE-ko (Low German, Dutch)	Low German, Frisian, Dutch
Zenaida	-	Late Greek