cock on vs proper job

cock on

intj

  • Good work; well done; excellent. 

adj

  • Performed well; excellent; exact; correct. 

proper job

intj

  • Good work; well done. 

noun

  • Something performed well. 

  • Respectable employment. 

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