Stereotypical exclamation from Hercule Poirot

• Tours curse small area beside Belle Vue regularly
• Poirot's exclamation
• Cruel base swaggering Three Musketeers' cry?
• Cry from Poirot
• Curse able to be translated – thus?
• Poirot's epithet

Wikipedia Word definitions in Wikipedia
Sacrebleu is a very old French profanity meant as a cry of surprise or happiness.