わあ

わあ, わあっ, わっwaa

interjection

  1. wow!
  2. oh!
  3. eek!
  4. gee!
  5. yeah!
  6. alright!
  7. hurray!
  8. waah!

Study it in Yanamino

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