I say vs diggety

I say

intj
  • Used for emphasis, or when resuming after diversion or interruption. 

diggety

intj
  • Used to express excitement, surprise, or similar strong emotion. 

  • Imitative of rapid movement or commotion. 

adv
  • Used to extend the form of the verb dig. 

  • A general intensifier. 

How often have the words I say and diggety occurred in a corpus of books? (source: Google Ngram Viewer )