off the chain vs squirrelly

off the chain

prep

  • Free from work or direct supervision. 

  • Crazy and exciting; delirious and wild. 

squirrelly

adj

  • resembling a squirrel 

  • unpredictable or jumpy 

  • eccentric 

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