badger vs stick the knife into

badger

noun
  • Any mammal of three subfamilies, which belong to the family Mustelidae: Melinae (Eurasian badgers), Mellivorinae (ratel or honey badger), and Taxideinae (American badger). 

  • A native or resident of the American state, Wisconsin. 

verb
  • To pester; to annoy persistently; to press. 

stick the knife into

How often have the words badger and stick the knife into occurred in a corpus of books? (source: Google Ngram Viewer )