Cool one's jets

verb, slang

Definitions

Verb
  1. 1
    To become less excited, intense, or active; to exercise self-restraint. idiomatic, informal

    "Star Wars fans who positively can't cool their jets until the 19 May opening of Star Wars prequel The Phantom Menace need wait no longer than until early May."

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Unscramble this word: coolonesjets