こんにゃく問もん答どう

noun

irrelevant and incoherent dialogue; meaningless debate; talking at cross purposes

Idiomatic expression describing a conversation where the participants are not engaging with each other's points, resulting in a pointless or absurd exchange. Often used humorously or critically.

• あの会かい議ぎはこんにゃく問もん答どうで、何なにも決きまらなかった。

  That meeting was just a meaningless debate, and nothing was decided.

• 彼かれらの議ぎ論ろんはこんにゃく問もん答どうに終しゅう始しした。

  Their discussion was nothing but an incoherent dialogue from start to finish.