shoot one's load vs spit out

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. 

spit out

verb
  • To eject. 

  • To say reluctantly (see also spit it out). 

  • To rap; to repeat verses passionately or intensely. 

  • To say scornfully. 

  • Used other than figuratively or idiomatically: see spit, out. 

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