Snirt

"He grins, and snirts, and thraws ye ken —

"But ye see there was a great deal of blushing and snirting, and bits of made coughs, as if to keep down a thorough guffau."

The Whaup grew very red in the face, and ‘snirted’ with laughter."

We then have what we call ‘snirt’ storms.

Snirt or a mixture of snow and dirt is the term popularly applied to the windrows of dirt along the roads during a Minnesota winter.

‘Snirt’ is a thing of the spring.

[…] it wasn't a hard winter. Only a couple of blizzards and snirt and snuss storms.