Boilover

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A hazardous situation where an attempt is made to extinguish semi-enclosed oil- or petrochemical-fuelled fire with water, generating steam which propels the burning fuel outwards. countable, uncountable
  2. 2
    A sporting event with an unexpected outcome, especially a horse race where the favourite fails to win. Australia, New-Zealand, countable, slang

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

Example

More examples

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

Etymology

Deverbal from boil over.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.