I'll be a son of a gun vs eep

I'll be a son of a gun

intj
  • Expressing surprise or disbelief. 

eep

intj
  • An expression of surprise or dismay. 

noun
  • A short scream or yelp. 

verb
  • To vocalise a short scream or yelp; to produce an eep. 

How often have the words I'll be a son of a gun and eep occurred in a corpus of books? (source: Google Ngram Viewer )