draff

noun

1. (uncountable, usually)A byproduct from a brewery, a distillery, or both, often fed to pigs or cattle as part of their ration; often synonymous with distillers' grains, brewers' spent grains, or both (when not differentiated); usually differentiated from potale, at least in technical use, although broad, nontechnical use has often lumped all such byproducts together, especially in the past.

   “Near-synonyms: brewers' spent grains, BSG, distillers' grains”

   “[…] and thence ſprouteth that obſcene appellation of Sarding ſandes, with the draffe of the carterly Hoblobs thereabouts, concoct or diſgeaſt for a ſcripture, verity, when the right chriſtendome of it, is Cerdicke ſands, or Cerdick ſhore, […]”

   “A crowd immersed in ordure, that appear'd draff of the human body.”