Idiom of the day :- Pull up one’s socks

Usage, examples and definition of the Idiom :-

When it is suggested that you pull up your socks it’s because you’re acting or performing badly. Therefore, to pull up one’s socks means to attempt to do better, either in one’s behavior or at a task one is doing. ‘I’ll have to pull up my socks if I want to make sure that I don’t get fired by the boss.’