be (as) cool as a cucumber

be (as) cool as a cucumber

slang To be calm and composed, especially in times of stress. I was petrified to take the stage, but Alice was as cool as a cucumber. Practicing meditation has helped me to be as cool as a cucumber in times of trouble.
See also: cool, cucumber
Farlex Dictionary of Idioms.
See also:
  • (as) cool as a cucumber
  • cool as a cucumber
  • cucumber
  • cool, calm, and collected
  • patient of
  • envy
  • be green with envy
  • green with envy
  • petrified
  • extoll the virtues of (someone or something)