ドドン

ドドン, どどん, ドドーン, どどーんdodon

adverb

  1. with a boom
  2. with a crash
  3. with a rumble

Study it in Yanamino

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