ガチャン

ガチャン, がちゃん, ガチン, がちんgachan

adverb

  1. with a slamming noise (e.g. door, telephone receiver)
  2. with a banging noise
  3. with a clash
  4. with a clank
  5. with a bang

Study it in Yanamino

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