bash vs double date

bash

noun
  • A large party; a gala event. 

  • An attempt at doing something. 

  • A forceful blow or impact. 

verb
  • To strike heavily. 

  • To criticize harshly. 

  • To collide; used with into or together. 

double date

noun
  • A (romantic) date that two couples go on together. 

verb
  • To go on a double date. 

How often have the words bash and double date occurred in a corpus of books? (source: Google Ngram Viewer )