slam piece vs stead

slam piece

noun
  • A sexual partner to whom one has no particular emotional attachment. 

  • A journalistic or other treatment which portrays its subject in a highly unfavorable manner. 

stead

noun
  • One's partner in a romantic relationship. 

  • An emotional or circumstantial "place" having specified advantages, qualities etc. (now only in phrases). 

  • The position or function (of someone or something), as taken on by a successor. 

How often have the words slam piece and stead occurred in a corpus of books? (source: Google Ngram Viewer )