off the chain vs tonto

off the chain

prep
  • Free from work or direct supervision. 

  • Crazy and exciting; delirious and wild. 

tonto

adj
  • Synonym of crazy. 

noun
  • a traditional Ugandan fermented beverage made from bananas 

  • Synonym of idiot: someone who is foolish or stupid. 

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