quackle1
/ˈkwakl/originally and chiefly English regional (East Anglian )
verb
[with object] And without object. To choke (a person).
Origin
Early 17th century; earliest use found in Samuel Ward (1577–1640), preacher. Imitative. Perhaps compare earlier quack, although compare also querken and forms at that entry.
quackle2
/ˈkwakl/verb
[no object] = quack.
Origin
Mid 19th century; earliest use found in Thomas Carlyle (1795–1881), author, biographer, and historian. From quack + -le.