mullock

/ˈmʌlək/
noun
  1. Waste rock or earth removed when mining for minerals or metals.
    • They used the mullock to build a road across the site.
    • Old mullock heaps can sometimes contain traces of gold.
    • The miners dumped the mullock in a large pile near the entrance.
  2. Rubbish or worthless material; nonsense.
    • The article was full of mullock and had no real facts.
    • She cleared the mullock out of the shed before starting repairs.
    • Don't believe a word he says — it's all mullock.
Synonyms
What does "mullock" mean? | whatsthatwordmean | whatsthatwordmean