ぎえぞぼらじゃなかったです
擬蝦夷法螺じゃなかったです
giezo borajanakattadesu

Noun
Desu Copula

The polite, past negative form of えぞぼらもどき

1. Wasn't a false/sham Ezo conch.; Wasn't pretending to be an Ezo conch.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana