boisterous vs could hear a pin drop

boisterous

adj
  • Having or resembling animal exuberance. 

  • Full of energy; exuberant; noisy. 

  • Characterized by violence and agitation; wild; stormy. 

could hear a pin drop

How often have the words boisterous and could hear a pin drop occurred in a corpus of books? (source: Google Ngram Viewer )