come down off one's high horse

To become less arrogant; to assume a more modest disposition.
The boastful candidate for Congress quickly came down off his high horse when he was soundly beaten by his opponent.
Categories: verb

An client error occurred: Error calling GET https://www.googleapis.com/youtube/v3/search?part=id%2Csnippet&q=%22come+down+off+one%27s+high+horse%22&maxResults=4&videoEmbeddable=true&videoSyndicated=true&safeSearch=strict&type=video&key=AIzaSyCfLRuAZZNAQm6a5uDzgY-Tt668bxsppCs: (403) The request cannot be completed because you have exceeded your <a href="/youtube/v3/getting-started#quota">quota</a>.