ecstatic vs happy as a pig in mud

ecstatic

noun
  • A person in a state of ecstasy. 

  • Transports of delight; words or actions performed in a state of ecstasy. 

adj
  • Feeling or characterized by ecstasy. 

  • Relating to, or caused by, ecstasy or excessive emotion. 

  • Extremely happy. 

happy as a pig in mud

How often have the words ecstatic and happy as a pig in mud occurred in a corpus of books? (source: Google Ngram Viewer )