off the chain vs rousing

off the chain

prep
  • Free from work or direct supervision. 

  • Crazy and exciting; delirious and wild. 

rousing

adj
  • That rouses or excites. 

noun
  • The act by which somebody or something is roused. 

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