口くちのうまい

expression, i-adjective

honeymouthed; glib; smooth-talking

Describes someone who speaks in a flattering or persuasive way, often with a negative connotation of being insincere or manipulative. Compare 口がうまい, which is a similar phrase with a slightly different structure.

See also: 口がうまい

• 彼かれは口くちのうまい人ひとだから、気きをつけたほうがいい。

  He's a smooth talker, so you'd better be careful.

• 口くちのうまいセールスマンにだまされて、高たかいものを買かわされた。

  I was tricked by a glib salesman and ended up buying something expensive.