おにおうはしじゃなかったです
鬼大嘴じゃなかったです
oniōwa shija nakattadesu

Noun
Desu Copula

The polite, past negative form of おにおおはし

1. Wasn't a big mouth.; Wasn't talkative.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana