Partially melted snow or ice mixed with water, or cheap sentimental writing and music.
From Scandinavian origins, possibly related to Old Norse 'slúkka' meaning 'to sleet or snow.' In the 1800s, 'slush fund' emerged as slang for discretionary money.
On ships in the 1800s, sailors would save grease from cooking meat and sell it—this was called 'slush,' and the money made from it went into the 'slush fund' for their own entertainment!
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