The Collaborative International Dictionary
Quackled
Quackle \Quac"kle\, v. i. & t. [imp. & p. p. Quackled; p. pr. & vb. n. Quackling.] [Cf. Querken.] To suffocate; to choke. [Prov. Eng.]
Wiktionary
quackled
vb. (en-past of: quackle)