flashers

/F L AE1 SH ER0 Z/
noun
  1. 1

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

  2. 2

    An indicator or turn signal.

  3. 3

    A person who exposes their genitals or female nipples.

Source: https://en.wiktionary.org/wiki/flasher, https://en.wiktionary.org/wiki/flashers