バカ丁てい寧ねい

na-adjective, noun

overly polite; excessively polite; polite to a fault

Describes language or behavior that is so excessively polite it becomes unnatural, awkward, or even sarcastic. Often used critically.

• あの店てん員いんのバカ丁てい寧ねいな接せっ客きゃくは、かえって不ふ自し然ぜんに感かんじる。

  That clerk's overly polite service feels rather unnatural.

• 彼かれは上じょう司しにバカ丁てい寧ねいな言こと葉ば遣づかいをするので、周まわりから少すこし引ひかれている。

  He uses excessively polite language with his boss, so his colleagues are a bit put off.