Meaning of slush

slush

1. partly melted snow.
2. liquid mud; watery mire.
3. waste, as fat, grease, or other refuse, from the galley of a ship.
4. a mixture of grease and other materials for lubricating.
5. silly, sentimental, or weakly emotional talk or writing: romantic slush.
6. See

1. to splash with slush.
2. to grease, polish, or cover with slush.
3. to fill or cover with mortar or cement.
4. to wash with a large quantity of water, as by dashing it on.