insulting vs kick in the teeth

insulting

noun
  • The act of giving insult. 

adj
  • Containing insult, or having the intention of insulting. 

kick in the teeth

noun
  • A humiliating insult or instance of bad treatment, especially when one is expecting friendship or in need of support; a sudden and unexpected setback; a strong rebuff. 

How often have the words insulting and kick in the teeth occurred in a corpus of books? (source: Google Ngram Viewer )