Compounds of わあ

• わあ
  (int) (1) wow! (surprise)
  (2) yeah!
  alright! (joy)
  (3) waah! (crying)
• うわあ
  (int) Wow!
  Holy smokes!
  Aaargh!
  O my God!
• わあわあ
  (n) waah waah! (crying)