zonk out

listen to the pronunciation of zonk out
Английский Язык - Турецкий язык
(Argo) uyuya kalmak
Английский Язык - Английский Язык
To fall suddenly into a very deep sleep

After a full day of playing, you'd think that kid would finally zonk out.

To pass out from fatigue, or alcohol. "You won't get a coherent word out of Joe, he has zonked out."
To fall asleep very quickly. "Can I talk to Joe? Call back tomorrow, he zonked out."
fall asleep fast, as when one is extremely tired; "after the long drive, we zonked out and slept for 10 hours"
{f} fall fast asleep; lose consciousness (from using illegal drugs or consuming a large amount of alcohol)
lose consciousness due to a sudden trauma, for example