ダメ しじゃありませんでした
dameoshijārimasendeshita

Noun
Desu Copula

The polite, past negative form of ダメ押し

1. It wasn't a finishing blow.; It wasn't meant to be the final nail in the coffin.; It wasn't done to rub it in.

Past/Perfective
Negative
Polite
Terminal Form
Sports