boot boy vs hoodlum

boot boy

noun
  • One of a gang of violent hooligans who usually wear short-cropped hair and bovver boots. 

  • A boy who cleans boots and shoes. 

  • A boy who cares for a footballer's boots. 

hoodlum

noun
  • A gangster; a hired thug. 

  • A rough or violent youth. 

How often have the words boot boy and hoodlum occurred in a corpus of books? (source: Google Ngram Viewer )