bruiser vs punching bag

bruiser

noun
  • A person who enjoys arguing with others. 

  • A tall, strong, heavily built person, usually a man, especially one prone to physical violence; a strong and tough person. 

  • In contact sports, an athlete whose size, strength, and/or aggressiveness make it likely that they will cause athletes on the opposing team to suffer physical punishment. 

  • A machine for bruising oats. 

  • A professional boxer. 

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 bruiser and punching bag occurred in a corpus of books? (source: Google Ngram Viewer )