Wiktionary
slush piles
n. (slush pile English)
Usage examples of "slush piles".
Editors' slush piles of unsolicited manuscripts from unknowns were enormous, I was told.
They trudged heads down and collars up through the cold, dodging scattered slush piles.
Without her input, I would still be moldering in slush piles, and she really ought to be listed as co-author.
The editors are less daunted by thinner manuscripts on their slush piles, and maybe they'll read it sooner!