finger-lickin' good vs yum

finger-lickin' good

adj

  • Of food: very delicious; delectable, scrumptious. 

  • Extremely good; superb. 

yum

adj

  • Delicious. 

intj

  • Indicating delight at the flavor of food. 

How often have the words finger-lickin' good and yum occurred in a corpus of books? (source: Google Ngram Viewer )