chur vs top-shelf

chur

intj
  • A strong voicing of agreement, approval, or thanks: awesome!, cheers!, ta!, thanks!. 

  • A parting salutation: bye, see you later. 

adj
  • Overwhelming; demanding; intense. 

verb
  • To do something overwhelming, demanding, or intense. 

top-shelf

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