いなずまよこばいでしょう
稲妻横這でしょう
inazumayokobaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of いなずまよこばい

1. Probably a flash of lightning.; Probably a lightning strike.

Polite
Presumptive
Conjecture
Usually Written in Kana