Related Clues:

• Shock
• Flash of inspiration
• Bombshell
• Epiphany, e.g.
• Big surprise
• Sensational bit of news, e.g.
• Sudden unforeseen occurrence
• Unexpected thing
• Epiphany
• Surprising revelation
• Thunder from a clear sky is something unexpected
• Totally unforeseen event
• Sprint by university athlete in unexpected event
• Cheap thrill - traditionally a good bob's worth
• Something unsettlingly surprising