中ちゅう傷しょう合がっ戦せん

noun

mud-slinging match; smear campaign

Refers to a heated exchange of insults or slander, often in politics or public disputes. The term implies a back-and-forth, like a battle of defamation.

• 選せん挙きょ戦せんは中ちゅう傷しょう合がっ戦せんの様よう相そうを呈ていしている。

  The election campaign has taken on the appearance of a mud-slinging match.

• ネット上じょうでの中ちゅう傷しょう合がっ戦せんは見みていて気き分ぶんが悪わるい。

  It's unpleasant to watch mud-slinging matches online.