つまはじきじゃなかったです
爪弾きじゃなかったです
tsumahajikijanakattadesu

Noun
Desu Copula

The polite, past negative form of つまはじき

1. Wasn't plucked.; Wasn't strummed.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana