lose one's lunch
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To vomit, throw up.
Register: slang
Where it’s used:
Used
American English
Examples
Exactly one minute later, the first of the passengers lost their lunch over the side.
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 “lose one's lunch” mean?
To vomit, throw up.
Is “lose one's lunch” formal or informal?
lose one's lunch is generally slang.