Vocabulary What does ぴゅうぴゅう mean? ぴゅうぴゅう means whistling, howling (sound of cold or strong wind blowing in gusts). Quick factsReadingぴゅうぴゅう ぴゅうぴゅうぴゅうぴゅうTOPICSwhistling, howling (sound of cold or strong wind blowing in gusts)Example sentences冬(ふゆ)の冷(つめ)たい風(かぜ)が窓(まど)の外(そと)でぴゅうぴゅうと吹(ふ)いている。The cold winter wind is howling outside the window.