Dictionary.com

cock-a-hoop

[ kok-uh-hoop, -hoop, kok-uh-hoop, -hoop ]
/ ˌkɒk əˈhup, -ˈhʊp, ˈkɒk əˌhup, -ˌhʊp /

adjective

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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Origin of cock-a-hoop

First recorded in 1520–30; origin uncertain

Words nearby cock-a-hoop

cocinero, cock, cockabully, cockade, cock-a-doodle-doo, cock-a-hoop, Cockaigne, cock-a-leekie, cockalorum, cockamamie, cock-and-bull story
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cock-a-hoop

British Dictionary definitions for cock-a-hoop

cock-a-hoop

adjective (usually postpositive)

in very high spirits
boastful
askew; confused

Word Origin for cock-a-hoop

C16: perhaps from the phrase to set the cock a hoop to live prodigally, literally: to put a cock on a hoop, a full measure of grain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012