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
Marlin	['ma:lin]
Fleming	['flemiŋ]
Citlali	-	Native American, Nahuatl
Traci	TRAY-see	English
Magda	['mægdə]
Magdalen	-	English