1. An exclamation expressing surprise, shock, or astonishment.
Usage: informal; chiefly British and Australian English; often spelled 'crikey' or 'crikey!' as an exclamation

Examples

• Crikey, that was a close call!
• Crikey, I didn't expect to see you here.
• Crikey, look at the size of that spider!
• Crikey, that's incredible!
• Crikey, did you see that happen?