bad mouth (someone)

bad mouth (someone)  {v.},  {slang}
To say uncomplimentary or libelous things about someone; deliberately to damage another's reputation.
It's not nice to bad mouth people.
Categories: slang verb

An client error occurred: Error calling GET https://www.googleapis.com/youtube/v3/search?part=id%2Csnippet&q=%22bad+mouth+%28someone%29%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>.