crappébleu Share definition Flag used as euphemism for sacrébleu.an expression of surprise, annoyance, dismay, or anger. Crappébleu! I just hurt my leg!I forgot all about the darn assignment! Crappébleu! crappébleu by JBJblaze June 1, 2014 0 0 Get merch Get the crappébleu mug. Buy Now — $32.95 See more merch