丑の刻参り

うしのこくまいり

expression, noun

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cursing ritual where one visits a shrine at 2am and nails a doll representing a person to a tree, praying for said person's death

丑	sign of the ox or cow, 1-3AM, second sign of Chinese zodiac
刻	engrave, cut fine, chop, hash, mince, time, carving
参	nonplussed, three (in documents), going, coming, visiting, visit, be defeated, die, be madly in love, participate, take part in