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1. Someone with a compulsive desire to expose the genitals
   - 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
   - blinker

1. Tastelessly showy
   "a flash car"
   - brassy, cheap, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy, schlocky []

Derived forms: flashers

See also: flash, tasteless

Type of: compulsive, electrical device, light, light source

Encyclopedia: Flash Flash, Staffordshire Flash, The