おにぼうずきすだったら
鬼坊主鱚だったら
oni bōzu kisudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of おにぼうずぎす

1. If/when it were a ghost monk/spirit-possessed priest and a sweetfish.

Tara Conditional
Usually Written in Kana