heavy metal vs pistol

heavy metal

noun
  • guns or shot of large size. 

  • A genre descended from rock music, characterized by massive sound, highly amplified distortion, and overall loudness, often with extended guitar solos, and lyrics that involve aggressive or fantastic imagery. 

  • Any metal that has a specific gravity greater than about 5, especially one, such as lead, that is poisonous and may be a hazard in the environment. (There are many different definitions of what counts as a heavy metal; see Heavy metals for a discussion.) 

  • Great influence or power. 

pistol

noun
  • A handgun 

  • The mechanical component of a fuse in a bomb or torpedo responsible for firing the detonator. 

  • A small boy who is bright, alert and very active. 

  • A creative and unpredictable jokester, a constant source of entertainment and surprises. 

  • An offensive formation in which the quarterback receives the snap at a distance behind the center, but closer than in a shotgun formation, with a running back lined up behind him. 

verb
  • To shoot (at) a target with a pistol. 

How often have the words heavy metal and pistol occurred in a corpus of books? (source: Google Ngram Viewer )