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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