ピーポー

ピーポーpiipoo

noun

  1. nee-naw (sound of an emergency vehicle siren)
  2. wee-woo
  3. people

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences