1. Tastelessly showy
   - brassy, cheap, flash, flashy, garish, gaudy, gimcrack, loud, meretricious, tacky, tatty, tawdry, trashy 
2. Cheap and inferior; of no value
   - rubbishy, trashy

See also: tasteless, worthless

• flash butt welding
• flash camera
• flash in the pan
• flash lamp
• flash memory
• flash welding
• flash-forward
• flash-freeze
• flash-frozen
• flashback
• flashboard
• flashboarding
• flashbulb
• flashcard
• flasher
• flashflood
• flashgun
• flashily
• flashiness
• flashing
• flashlight
• flashlight battery
• flashlight fish
• flashover
• flashpoint