off the chain vs psychotic

off the chain

prep
  • Free from work or direct supervision. 

  • Crazy and exciting; delirious and wild. 

psychotic

noun
  • A person affected by psychosis. 

adj
  • Of, related to, or suffering from psychosis. 

How often have the words off the chain and psychotic occurred in a corpus of books? (source: Google Ngram Viewer )