flasher vs winker

flasher

noun
  • Someone who exposes themselves indecently; someone who ‘flashes’ their genitals. 

  • Anything that flashes, especially a device that switches a light on and off. 

  • An indicator or turn signal. 

winker

noun
  • Somebody who winks; somebody who connives. 

  • A screen attached to the bridle of a horse or other domesticated animal preventing it from being able to see things to its side. 

  • An eyelash. 

  • A small bellows in an organ, regulated by a spring, controlling variations of wind pressure. 

  • A player of the game of tiddlywinks. 

  • The winking membrane of a bird's eye; the winking muscle. 

  • An eye. 

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