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
Kora	KO-rah	German
Trecia	-	English (Rare)
Tornike	-	Georgian
Jacintha	yah-SIN-tah	Dutch (Rare)
Surendra	-	Hinduism, Indian, Hindi, Marathi, Telugu, Nepali
Adolph	AD-ahlf, AY-dahlf	English