belligerent vs punching bag

belligerent

noun
  • A state or other armed participant in warfare 

adj
  • Eager to go to war, warlike. 

  • Engaged in warfare, warring. 

  • Of or pertaining to war. 

  • Uncooperative. 

  • Aggressively hostile, eager to fight. 

  • Acting violently towards others. 

punching bag

noun
  • A person serving as an object of abuse. 

  • A tough bag, usually cylindrical, filled with air, sand, or other material, often suspended so that it swings freely, which is punched or kicked when practising sports such as boxing or martial arts. 

How often have the words belligerent and punching bag occurred in a corpus of books? (source: Google Ngram Viewer )