褄黒 つまぐろ おう横這 よこばいでしょう
tsumaguroō yokobaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 褄黒大横這い

1. Probably a black cat will cross your path.; Likely to have bad luck.

Polite
Presumptive
Conjecture