piss about vs toy

piss about

verb
  • to joke or play 

  • to misbehave; to act foolishly 

toy

verb
  • To play (with) in an idle or desultory way. 

  • To stimulate with a sex toy. 

  • To ponder or consider. 

noun
  • A thing of little importance or value; a trifle. 

  • A sex toy (object or device to give sexual pleasure). 

  • A simple, light piece of music, written especially for the virginal. 

  • A gun. 

  • Something to play with, especially as intended for use by a child. 

  • An inferior graffiti artist. 

How often have the words piss about and toy occurred in a corpus of books? (source: Google Ngram Viewer )