がしゃどくろでわありません
がしゃ髑髏ではありません
gasha dokurodewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of がしゃどくろ

1. Not a roughneck.; Not uncouth.; Not boorish.

Negative
Polite
Formal Register
Usually Written in Kana