Wise guy, eh?

Meaning

A skeptical or mocking retort to someone being a smart aleck. It is usually said with a forced tough-guy accent to call out someone being cheeky.

Sarcastic, confrontational

Used in a sentence

• So you think you can hide the cookies? Wise guy, eh?
• You want to tell me how to do my job? Wise guy, eh?
• My brother tried to trick me with a fake spider and I just said wise guy, eh?