snuffle (v.) Look up snuffle at Dictionary.com
1580s, from Dutch or Flemish snuffelen "to sniff about, pry," related to Dutch and Flemish snuffen "to sniff" (see snuff (v.2)). Related: Snuffled; snuffling.
snuffle (n.) Look up snuffle at Dictionary.com
1764, "sound made by snuffling," from snuffle (v.). Old English had snofl (n.) "phlegm, mucus." The snuffles "troublesome mucous discharge from the nostrils" is from 1770.