spunk vs studmuffin

spunk

noun

  • An attractive person (normally male). 

  • Touchwood; tinder. 

  • Courage; spirit; mettle; determination. 

  • Semen. 

verb

  • To ejaculate. 

  • To waste (money etc.). 

studmuffin

noun

  • A stud, an attractive man. 

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