ドあほうじゃなかったです
ド阿呆じゃなかったです
doahōjanakattadesu

Noun
Desu Copula

The polite, past negative form of ドあほ

1. Wasn't an idiot.; Wasn't foolish.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana