snuffle
v. (-ling) 1 make sniffing sounds. 2 speak or say nasally or whiningly. 3 breathe noisily, esp. With a blocked nose. n. Snuffling sound or tone. snuffly adj. [low german or dutch snuffelen]
v. i. To speak through the nose; to breathe through the nose when it is obstructed, so as to make a broken sound.