ぶっつけ本番 ほんばんでしょう
buttsukehombandeshō

Noun
Desu Copula
no-Adjective

Expresses probability in a polite manner ("probably…") of ぶっつけ本番

1. Probably impromptu.; Probably winging it.; Probably ad-libbed.

Polite
Presumptive
Conjecture