bust ass vs poof

bust ass

verb
  • To fart. 

  • To work hard, especially when trying to achieve a goal. 

poof

verb
  • To break wind; to fart. 

  • To vanish or disappear. 

noun
  • A male homosexual, especially one who is effeminate. 

  • The product of flatulence, or the sound of breaking wind. 

intj
  • Onomatopoeia indicating a small explosion with a cloud of smoke; as caused by a deflating object, or a magical disappearance. 

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