butt-fucking vs santorum

butt-fucking

noun

  • anal sex 

adj

  • Engaging in anal sex 

santorum

noun

  • A frothy mixture of lubricant and fecal matter as an occasional byproduct of anal sex. 

  • Shit: rubbish, worthless matter, nonsense, bull. 

How often have the words butt-fucking and santorum occurred in a corpus of books? (source: Google Ngram Viewer )