The Collaborative International Dictionary
Snuffled
Snuffle \Snuf"fle\, v. i. [imp. & p. p. Snuffled; p. pr. & vb. n. Snuffling.] [Freq. of snuff, v.i.; akin to LG. snuffeln, G. schn["u]ffeln, D. snuffeln, Dan. sn["o]vle. Cf. Sniffle.] To speak through the nose; to breathe through the nose when it is obstructed, so as to make a broken sound.
One clad in purple
Eats, and recites some lamentable rhyme . . .
Snuffling at nose, and croaking in his throat.
--Dryden.
Wiktionary
snuffled
vb. (en-past of: snuffle)