舌したが回まわる

expression, godan verb (-ru)

be talkative; have a glib tongue; speak fluently

Idiomatic expression describing someone who speaks easily, smoothly, or at length. Often implies a natural or practiced ease with words, sometimes with a nuance of being too smooth or glib.

• 彼かれは酒さけが入はいると舌したが回まわるようになる。

  He becomes talkative when he drinks.

• あの営えい業ぎょうマンは本ほん当とうに舌したが回まわる。

  That salesman really has a glib tongue.