above-board vs lip-smacking

above-board

adv

  • Honestly; openly. 

adj

  • In open sight; without trick, concealment, or deception. 

lip-smacking

adv

  • Very. 

adj

  • Tasty; appetizing. 

noun

  • The act of smacking one's lips 

How often have the words above-board and lip-smacking occurred in a corpus of books? (source: Google Ngram Viewer )