Aztec two-step vs constipation

Aztec two-step

constipation

noun
  • The act of crowding anything into a lesser space, or the state of being crowded or pressed together; condensation. 

  • A state of the bowels in which the evacuations are infrequent and difficult, or the intestines become filled with hardened faeces 

How often have the words Aztec two-step and constipation occurred in a corpus of books? (source: Google Ngram Viewer )