piece of ass vs sexpot

piece of ass

noun
  • A very attractive woman, when considered as a sex object. 

  • An act of intercourse, especially a one-night stand. 

  • A male prostitute. 

sexpot

noun
  • A sexy person. 

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