From Longman Dictionary of Contemporary Englishbe riding highbe riding highHAPPYto feel very happy and confident They were still riding high after their election victory. → ride
Examples from the Corpus
be riding high• Before Saturday's defeat, the Broncos had been riding high.• By the summer of 1945, the Allies were riding high.• The Agnelli family, which owns almost 40% of the company, was riding high.• The salary cap was not in place when Jimmy was riding high in Dallas.• Blackpool are riding high in Division Four, while United have slowly sunk down the table.• Travolta, who is riding high in Hollywood, takes a minor career risk by playing a villain. 