Snuffle (verb)

To make a noise in breathing, especially through the nose, with a sniffing or snuffling sound, as in when one has a cold or is trying to smell something.

Origin:

Of uncertain origin, possibly imitative of the sound made by sniffing or snuffling.

Examples:

1. She snuffled as she tried to clear her congested nose.
2. The dog snuffled around in the grass, searching for something to eat.
3. He snuffled into his sleeve, trying to hide his tears from his classmates.
4. The piglets snuffled as they ate their food.
5. The baby snuffled in its sleep, making soft, snuffling sounds.