dizzy vs horse’s tail

dizzy

noun
  • A distributor (device in internal combustion engine). 

adj
  • simple, half-witted. 

  • Empty-headed, scatterbrained or frivolous; ditzy. 

  • Experiencing a sensation of whirling and of being giddy, unbalanced, or lightheaded. 

  • Producing giddiness. 

verb
  • To make (someone or something) dizzy; to bewilder. 

horse’s tail

How often have the words dizzy and horse’s tail occurred in a corpus of books? (source: Google Ngram Viewer )