noun / verb
slush
SLUHSH/slʌʃ/
A watery mixture containing partly melted ice.
The boots sink into watery slush along the winter sidewalk.

Etymology
The word originally named melting snow mixed with water. A Scandinavian source is possible, with the compared words probably imitating the sound of sloshing.
In context
it topped out here at like 41 or 42 degrees today and it's just icy slush all over the place
More examples
- The ice in the cooler has turned to slush.
- We slush through the parking lot in waterproof boots.
- Take off your boots before you track slush inside.
Forms
slush · slushes · slushed · slushing
slushy adjective — Containing or covered with partly melted snow.