- cock-a-hoop (about/at/over something)
very pleased and excited, especially about achieving something 得意扬扬 They’re all cock-a-hoop about winning the first game of the season. 他们都为赢得本赛季的第一场比赛而得意洋洋。
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).