cocksocket vs cum dumpster

cocksocket

noun
  • A promiscuous person, usually female or bottom, who is frequently sexually penetrated. 

cum dumpster

noun
  • A sexually promiscuous person, usually a woman or bottom, who has sexual relations with men who often ejaculate in their body cavities. 

How often have the words cocksocket and cum dumpster occurred in a corpus of books? (source: Google Ngram Viewer )