snuffling

/S N AH1 F AH0 L IH0 NG/
verb
  1. 1

    To sniff or smell with the nose loudly and audibly.

  2. 2

    To speak through the nose; to breathe through the nose when it is obstructed, so as to make a broken sound.

noun
  1. 1

    A breathy noise; a snuffle

Source: https://en.wiktionary.org/wiki/snuffle, https://en.wiktionary.org/wiki/snuffling