嘎嘎

gāgā
  1. (onom.) quack
  2. honk
  3. (northern dialect) very
  4. also pr. gāga, gága etc

CEDICT

onomatopoeic northern dialect

Entry Composition

1 嘎 gā (onom.) short but loud sound
2 嘎 gā (onom.) short but loud sound