Meaning of cock-a-hoop

cock-a-hoop

Pronunciation: (kok"u-hp', -hoop', kok'u-hp", -hoop"), [key]
— adj.
  1. in a state of unrestrained joy or exultation; boastfully elated: He was cock-a-hoop over his victory.
  2. askew; out of kilter: He knocked his hat cock-a-hoop.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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