長ちょう広こう舌ぜつを振ふるう

expression, godan verb (-u)

make a long-winded speech; give a long talk

Idiomatic expression describing someone speaking at length, often with a negative or critical nuance of being overly verbose or boring.

• 会かい議ぎで部ぶ長ちょうが長ちょう広こう舌ぜつを振ふるって、みんなうんざりしていた。

  The department head made a long-winded speech at the meeting, and everyone was fed up.

• 彼かれは酒さけ