キンキラキン

noun which may take the genitive case particle 'no', na-adjective

gaudy; flashy; glittery

Describes something overly shiny, sparkly, or ostentatiously decorated, often with a negative or humorous tone. Mimetic word.

• 彼かの女じょのキンキラキンのドレスはパーティーで目め立だっていた。

  Her gaudy dress stood out at the party.