smartass

viisastelija, neropatti besserwisser

näsäviisas puhekieltä One who is particularly insolent, who tends to make snide remarks or jokes.

Lots of luck, smartass.

I have had quite enough of your smartass remarks.

I smartassed and smack-talked half of the interview, but as I relaxed a bit more and genuinely talked with them, a strange thing happened.