Definition of sacré bleu in English:

sacré bleu

Pronunciation /ˌsäkrā ˈblə/ /ˌsɑkreɪ ˈblə/

exclamation

  • A French expression of surprise, exasperation, or dismay.

    ‘Sacré bleu, you Scots speak most fantastic French’
    • ‘Well, there's another Christmas ruined (sacré bleu)!’
    • ‘Sacre Bleu! That was a remarkable relay!’
    • ‘Paid amateurs? Sacre bleu!’

Origin

Alteration of sacré Dieu ‘holy God’.