胸突 むなつ八丁 はっちょうじゃありませんでした
munatsuki hacchōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 胸突き八丁

1. It wasn't a perfect score.; It wasn't a bullseye.

Past/Perfective
Negative
Polite
Terminal Form