punching bag vs soldier

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. 

soldier

noun
  • Someone who fights or toils well. 

  • Any member of a military, regardless of specialty. 

  • A guardsman. 

  • The red or cuckoo gurnard (Chelidonichthys cuculus). 

  • A piece of buttered bread (or toast), cut into a long thin strip for dipping into a soft-boiled egg. 

  • A low-ranking gangster or member of a gang, especially the mafia, who engages in physical conflict. 

  • An enlisted member of a military service, as distinguished from a commissioned officer. 

  • A member of a ground-based army, of any rank, but especially an enlisted member. 

  • A member of the Salvation Army. 

  • A term of approbation for a young boy. 

  • One of the asexual polymorphic forms of termites, in which the head and jaws are very large and strong. The soldiers serve to defend the nest. 

verb
  • To intentionally restrict labor productivity; to work at the slowest rate that goes unpunished. 

  • To take a ride on (another person's horse) without permission. 

  • To serve as a soldier. 

  • To continue steadfast; to keep striving. 

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