talk out one's ass vs talk through one's hat

talk out one's ass

verb
  • Synonym of talk out of one's ass. 

talk through one's hat

verb
  • To speak lacking expertise, authority, or knowledge; to invent or fabricate facts. 

  • To assert something as true or valid; to bluff. 

How often have the words talk out one's ass and talk through one's hat occurred in a corpus of books? (source: Google Ngram Viewer )