boo-ya vs yay

boo-ya

intj

  • An exclamation of joy, excitement or triumph. 

yay

intj

  • An expression of happiness. 

noun

  • Cocaine (powder or crack). 

  • The letter for the y sound in Pitman shorthand. 

How often have the words boo-ya and yay occurred in a corpus of books? (source: Google Ngram Viewer )