頭あたま越ごし

noun, noun which may take the genitive case particle 'no'

over someone's head; bypassing; without consultation

Describes an action taken without involving or informing the person who should normally be consulted, often implying a breach of hierarchy or protocol. Commonly used with verbs like する, 決める, 話す, 交渉する.

• 上じょう司しの頭あたま越ごしに部ぶ長ちょうと直ちょく接せつ交こう渉しょうした。

  I negotiated directly with the department head, bypassing my boss.

• 彼かれは私わたしの頭あたま越ごしに重じゅう要ような決けっ定ていを下くだした。

  He made an important decision over my head.