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"
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).
cock a snook
• openly show contempt or a lack of respect for someone or something.
• "the title was a deliberate attempt to cock a snook at the establishment"
• place one's hand so that the thumb touches one's nose and the fingers are spread out, in order to express contempt.
