noun
visiting a shrine naked in winter
A traditional practice, often part of a festival or ascetic training, where participants visit a shrine wearing minimal clothing (typically a loincloth) in cold weather.
毎年、裸参りに参加して心身を鍛えている。
Every year, I participate in the naked shrine visit to strengthen my mind and body.
Compound of 裸 (hadaka, 'naked') and 参り (mairi, 'visiting a shrine'). The exact origin of the practice is uncertain, but it is associated with purification rituals and endurance training.