scrag vs send to the glue factory

scrag

verb
  • To destroy or kill. 

  • To harass; to manhandle. 

noun
  • A rough or unkempt woman. 

  • A ragged, stunted tree or branch. 

  • A scrog. 

  • A chav or ned; a stereotypically loud and aggressive person of lower social class. 

send to the glue factory

verb
  • To kill, usually a horse. 

  • To retire or remove from prominence, usually due to obsolescence, old age or injury. 

How often have the words scrag and send to the glue factory occurred in a corpus of books? (source: Google Ngram Viewer )