万ばん愚ぐ節せつばんぐせつMeanings1nounApril Fools' DayRare, literary or old-fashioned term for April Fools' Day. In modern Japanese, エイプリルフール is used almost exclusively.See also: エイプリルフール「万ばん愚ぐ節せつ」はエイプリルフールの古こ風ふうな言いい方かただ。"万愚節" is an old-fashioned way to say April Fools' Day.
