I'll be a monkey's uncle vs peas and rice

I'll be a monkey's uncle

phrase

  • Often preceded by well: expressing complete surprise or disbelief. 

peas and rice

intj

  • Jesus Christ! 

noun

  • A Jamaican dish of rice and any of several varieties of peas or beans 

How often have the words I'll be a monkey's uncle and peas and rice occurred in a corpus of books? (source: Google Ngram Viewer )