cock on vs top-of-the-range

cock on

adj

  • Performed well; excellent; exact; correct. 

intj

  • Good work; well done; excellent. 

top-of-the-range

adj

  • Of the highest quality; extremely good. 

How often have the words cock on and top-of-the-range occurred in a corpus of books? (source: Google Ngram Viewer )