zonk out
In real, traceable use. Part of the curated seed collection; community review is coming.
Also seen as: zoink out
Meaning · English
To fall suddenly into a very deep sleep.
Register: slang
Where it’s used:
Used
American English
Examples
After a full day of playing, you'd think that kid would finally zonk out.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “zonk out” mean?
To fall suddenly into a very deep sleep.
Is “zonk out” formal or informal?
zonk out is generally slang.