Definition of: slush

(slush) noun
1. Soft, sloppy material, as melting snow or soft mud.
2. Greasy material used for lubrication, etc.
3. The greasy refuse of cooking, especially from a ship's galley: used on shipboard for lubricating the masts.
4. A mixture of lime with white lead or tallow, for coating bright iron or steel parts of machinery to keep them from rusting.
5. Emotional talk or writing; gush; drivel.
—v.t.
1. To cover or daub with slush, as for lubrication.
2. To fill (spaces in masonry) with mortar: usually with up.
3. To wash by throwing water upon, as a deck. [Origin unknown]
—slush′y adjective