shot in the dark vs toss up

shot in the dark

noun
  • A guess, attempt, or choice made with little or no evidence or knowledge. 

toss up

verb
  • To produce, generate. 

  • To casually mention as an idea. 

  • To vomit. 

  • To beat up, thrash. 

  • To make a decision based on chance, for example by flipping a coin or rolling a dice. 

  • To cook something quickly. 

  • To throw something upwards. 

How often have the words shot in the dark and toss up occurred in a corpus of books? (source: Google Ngram Viewer )