wise guy
smart aleck
wiseacre
wisenheimer
weisenheimer

Phil can try and be a smart aleck at times, we all know that.

He is not on trial for being a smart aleck.

As we all know, Phil can try to be a smart aleck at times.

People may not want a man who's fast on his feet - they suspect he's a smart aleck.

He is also a womanizer and a smart aleck with a lust for money.

He's a professional smart aleck, and a gifted one at that.

Back home she could be a smart aleck sometimes, and how.

I might find myself throttling the smart aleck with my bare hands!

"You're trying to be provocative, but you don't want to come off being smart aleck."

However, he can also annoy the others by being a smart aleck.