trashy vs white elephant

trashy

adj
  • having or generating a lot of trash 

  • Having a sound like white noise. 

  • Like trash; having low quality, especially of books and films. 

white elephant

noun
  • An albino elephant. 

  • A possession that is unwanted or is a financial burden; an unprofitable investment. 

How often have the words trashy and white elephant occurred in a corpus of books? (source: Google Ngram Viewer )