The Collaborative International Dictionary
Quackling
Quackle \Quac"kle\, v. i. & t. [imp. & p. p. Quackled; p. pr. & vb. n. Quackling.] [Cf. Querken.] To suffocate; to choke. [Prov. Eng.]
Wiktionary
quackling
vb. (present participle of quackle English)
Wikipedia
Quackling