じりめんじゃこじゃなかったです
縮緬雑魚じゃなかったです
jiri menjakojanakattadesu

Noun
Desu Copula

The polite, past negative form of ちりめんじゃこ

1. Wasn't a small striped fish.; Wasn't a common/insignificant person.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana