barn dance vs cut a rug

barn dance

verb
  • To take part in barn dancing. 

noun
  • A type of set step routine dancing, such as square dance. 

cut a rug

verb
  • To dance, especially in a vigorous manner and in one of the dance styles of the first half of the twentieth century. 

How often have the words barn dance and cut a rug occurred in a corpus of books? (source: Google Ngram Viewer )