Meaning of cock-a-hoop

cock-a-hoop

Pronunciation: (kok"u-hp', -hoop', kok'u-hp", -hoop"), [key]

— adj.

in a state of unrestrained joy or exultation; boastfully elated: He was cock-a-hoop over his victory.
askew; out of kilter: He knocked his hat cock-a-hoop.

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