百ひゃっ鬼き夜や行ぎょう

noun

nightly parade of demons; procession of monsters

Refers to the folkloric image of a horde of supernatural creatures parading through the night. Often used in historical or fantasy contexts.

• 百ひゃっ鬼き夜や行ぎょうは、日本にほんの妖よう怪かいが夜よるに行ぎょう列れつをなすという伝でん承しょうです。

  Hyakki Yagyō is a legend in which Japanese yōkai form a procession at night.

noun

pandemonium; a den of iniquity; a gathering of shady characters

Figurative extension: describes a chaotic situation or place teeming with unsavory people, as if a horde of demons were on the loose.

• 深しん夜やの繁はん華か街がいはまるで百ひゃっ鬼き夜や行ぎょうのようだ。

  The downtown area late at night is like a veritable pandemonium.