Revealing interjection

• Mock fanfare word
• Interjection that may precede a bow
• "I'm the bomb!"
• "Looky here!"
• Triumphant shout
• Cousin of "Voilà!"
• "There!"
• Bit of verbal trumpeting
• "And.... voila!!!"

Wiktionary Word definitions in Wiktionary
interj. (alternative spelling of ta-da English)