Definition of cock-a-hoop in English:

cock-a-hoop

Line breaks: cock-a-hoop

adjective

Extremely and obviously pleased, especially about an achievement: the team is cock-a-hoop at winning its first game of the season
More example sentences
  • Organisers of the celebrations are cock-a-hoop at news that the guitarist will open an architecture festival in the city next month.
  • Far from being worried, I suspect Sir David is cock-a-hoop at the comparison.
  • The company is cock-a-hoop at its performance, especially in light of the difficult trading conditions.

Origin

mid 17th century: from the phrase set cock a hoop, of unknown origin, apparently denoting the action of turning on the tap and allowing liquor to flow (prior to a drinking session).

Definition of cock-a-hoop in:

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Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope