Meaning of “tell sb off” - Learner’s Dictionary

tell sb off

phrasal verb with tell us uk /tel/ verb past tense and past participle told

B2 to tell someone that they have done something wrong and that you are angry about it:

[ + for + doing sth ] Darren got told off for talking in class.

(Definition of “tell sb off” from the Cambridge Learner’s Dictionary © Cambridge University Press)