flasher

名词 flasher:

1. someone with a compulsive desire to expose the genitals
   同义词：exhibitionist
2. an electrical device that automatically turns a lamp on and off (as for an advertising display)
3. a light that flashes on and off; used as a signal or to send messages
   同义词：blinker

形容词 flash:

1. tastelessly showy
   同义词：brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy

flash.er

n.（名词）
A device that automatically switches an electric lamp off and on, as in a commercial display sign.
闪光装置：如广告宣传告示上的一种自动点燃或熄灭电灯的装置
Slang One who engages in indecent exposure; an exhibitionist.
【俚语】 暴露狂：喜欢暴露猥亵部位的人；裸露狂