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

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

Type of: go away, go forth, leave