つまぐろおうよこばいであれば
褄黒大横這いであれば
tsumaguroō yokobaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of つまぐろおおよこばい

1. If/when the hem is black and one crawls sideways.

Ba Conditional
Usually Written in Kana