unicorpse       
noun [ C ]  business, finance & economics specialized uk/ˈjuː.nɪ.kɔːps/ us/ˈjuː.nɪ.kɔːrps/
 独角尸(之前估值10亿美元但现在价值远低于这个数字的公司)
a company that was previously valued at $1 billion dollars but that is now worth much less
  Over-optimistic initial valuations can turn unicorns into unicorpses. 过于乐观的初始估值可以把独角兽变成独角尸。 
 Compare: unicorn