English · Slang Attested

boilover

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

Both English Tiếng Việt

Meaning · English

A sporting event with an unexpected outcome, especially a horse race where the favourite fails to win.

Nghĩa · Tiếng Việt

Sự kiện thể thao có kết quả bất ngờ

Machine-translated — suggest a fix

Where it’s used: Used Australian English

[…] there was not much good horsemanship. The Derby itself was an ordinary race, something of a boilover for Dark Star […]

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 “boilover” mean?

A sporting event with an unexpected outcome, especially a horse race where the favourite fails to win.

Is “boilover” formal or informal?

boilover is generally slang.

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