smart off

smart off

To talk back to someone in a rude, impertinent, and disrespectful manner. You're going to get suspended again if you keep smarting off to your teachers like that. I heard that the boss fired him because he smarted off during a board meeting.
See also: off, smart
Farlex Dictionary of Idioms.

smart off

v.
To speak or act impertinently: One of my coworkers smarted off to the management and was fired. If you smart off in class, the teacher will punish you.
See also: off, smart
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • sass back
  • talk back
  • talk back (to one)
  • pull an attitude
  • pull an attitude (with one)
  • trifle with
  • trifle with (someone or something)
  • lip
  • in-your-face
References in periodicals archive
Zegna lost his maiden tag in the 6f maiden and got trainer Brian Smart off the cold trainers' list.
But No.1 Graeme Smith was smart off his line to narrow the angle and hold his shot.
"I had no choice but to take Smart off and that helped turn the game because he was causing them problems."
New skipper Paul Rauhihi's smart off load was tapped by O'Loughlin, with Ali Lauitiiti pouncing to send the supporting Vinnie Anderson over for his fifth try in five Tests.
Perodua has pushed the fashionable Mercedes-built Smart off the top slot in CAP's Top 30 Value for Money chart.
'I can be flip, I can be a little sarcastic and when you are dealing with someone who has got this power, but they don't really have the responsibility of their personal weaponry, you can't really smart off to them.