shoot one's load vs sprog

shoot one's load

verb
  • To ejaculate; to cum. 

  • To expend one's resources or one's opportunity, especially prematurely; to blow one's chance. 

sprog

verb
  • To ejaculate, to come. 

  • To produce children. 

noun
  • A child. 

  • A new recruit. 

  • A deflection-limiting safety device used in high performance hang gliders. 

How often have the words shoot one's load and sprog occurred in a corpus of books? (source: Google Ngram Viewer )