Definition of cock-a-hoop

cock-a-hoopadjective

ó o

/ˌkɒk ə ˈhuːp//ˌkɑːk ə ˈhuːp/

Word Originmid 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).

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