Idiom of the day :- Get in on the act

Usage, examples and definition of the Idiom :-

Professor Alan is having trouble. Everyone in the auditorium seems to be getting in on the act today ! This idiom ( it’s a term from the theater ) refers to taking part in something while others are doing it. ‘I can tell that everyone enjoyed my lecture today,’ Professor Alan said, ‘because so many people wanted to get in on my act,’ he smiled.