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Verb: fly the coop
Usage: informal
  1. Flee; take to one's heels; cut and run
    "If you see this man, fly the coop!";
    - scat [informal], run, scarper [Brit, informal], turn tail [informal], lam [N. Amer, informal], run away, hightail it [N. Amer, informal], bunk [informal], head for the hills [informal], take to the woods [informal], escape, break away, leg it [Brit, informal]

Derived forms: flew the coop, flying the coop, flies the coop, flown the coop

Type of: go away, go forth, leave, off [informal]