put someone's lights out vs swat

put someone's lights out

verb
  • To cause someone to become unconscious, especially by striking him or her. 

swat

verb
  • To illegitimately provoke a SWAT assault upon (someone). 

  • To beat off, as insects; to bat, strike, or hit. 

noun
  • Alternate spelling of swot: vigorous study at an educational institution. 

  • A hard stroke, hit or blow, e.g., as part of a spanking. 

How often have the words put someone's lights out and swat occurred in a corpus of books? (source: Google Ngram Viewer )