English

Definition of cock-a-hoop adjective from the Oxford Advanced Learner's Dictionary

 

cock-a-hoop

 adjective
adjective
BrE
 
; NAmE
 
 
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[not usually before noun] cock-a-hoop (about/at/over something) (informal) very pleased and excited, especially about achieving something They’re all cock-a-hoop about winning the first game of the season. Word Origin mid 17th cent.: 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).