quank1
/kwaŋk/verb
[no object] Of a bird or animal: to utter a harsh croaking or honking cry.
Origin
Mid 19th century; earliest use found in Sylvester Judd (1813–1853), novelist. From quank.
quank2
/kwaŋk/exclamation
Representing a harsh croaking or honking sound made by certain birds and animals.
Origin
Mid 19th century. Imitative. Compare French quank representing a croaking sound made by certain birds.