失礼 しつれい千万 せんばん
shitsurē semban

na-Adjective

1. extremely rude (impertinent, impolite)

Yojijukugo
きみ態度 たいど失礼 しつれい千万 せんばんじゃないか。
kimino taidowa shitsurē semmanjanaika.
Aren't you being very rude?