boilover

/ˈbɔɪlˌoʊvər/
noun
  1. A sudden, unexpected result in a competition, especially a sports match, where the underdog wins.
    • That boilover in the horse race made a lot of bettors very happy.
    • The championship game was a real boilover when the last-place team defeated the favorites.
    • Fans were shocked by the boilover in the tennis tournament as the unseeded player took the title.
  2. An instance of a liquid boiling and spilling over the edge of a container.
    • I had a boilover with the milk while I was answering the phone.
    • A boilover can happen if you fill the kettle too full.
    • The pot of soup caused a boilover on the stove, making a mess.
What does "boilover" mean? | whatsthatwordmean | whatsthatwordmean