English · Slang Attested

lose one's lunch

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

To vomit, throw up.

Nghĩa · Tiếng Việt

Nôn mửa, ói

Machine-translated — suggest a fix

Where it’s used: Used American English

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.

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