double-plus-good vs finger-lickin' good

double-plus-good

adj

  • Excellent, very good. 

finger-lickin' good

adj

  • Extremely good; superb. 

  • Of food: very delicious; delectable, scrumptious. 

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