Early 19th century; earliest use found in Thomas Carlyle (1795–1881), author, biographer, and historian. From quack quack + -ing Compare earlier quacking.
Definition of quack-quacking in US English:
quack-quacking
nounˌkwakˈkwakɪŋ
Quacking.
Origin
Early 19th century; earliest use found in Thomas Carlyle (1795–1881), author, biographer, and historian. From quack quack + -ing Compare earlier quacking.