じんべいさめじゃなかったです
甚平鮫じゃなかったです
jimbei samejanakattadesu

Noun
Desu Copula

The polite, past negative form of じんべいざめ

1. Wasn't a shamisen.; Wasn't a jinbei.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana