Ope!
Canadian SlangDefinition
A brief Canadian interjection used after a minor slip-up or accidental bump, conveying mild surprise and a quick, polite apology.
Examples
"Ope! Sorry—just gonna sneak past ya with the cart."
"Ope! Didn’t mean to bump you there on the TTC; my bad."
"Ope! Spilled a bit of Timmies—I'll grab some napkins, sorry."