Idiom of the day :- Put on airs

Usage, examples and definition of the Idiom :-

Since her promotion Fecilia has been giving herself airs that her fellow workers regard as rather foolish. ‘ We know you’re an excellent worker,’ they assured her. ‘You don’t have to put on airs.’ To give oneself airs or put on airs is to act as if one is better or more important than others.