Śmigus-dyngus
Śmigus-dyngus (Polish pronunciation: [ˈɕmigus ˈdɨnɡus]) or lany poniedziałek (Polish pronunciation: [ˈlanɨ ˌpɔɲɛˈd͡ʑawɛk]) is a celebration held on Easter Monday across Central Europe, and in small parts of Eastern and Southern Europe. The Eastertide tradition is widely associated with Poland in English-speaking countries and is observed by Polish diaspora communities, particularly among Polish Americans who call it Dyngus Day.