おにおうはしじゃありません
鬼大嘴じゃありません
oniōwa shija arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of おにおおはし

1. It is not a big mouth.; I am not a blabbermouth.

Negative
Polite
Terminal Form
Usually Written in Kana