If a man is described as one of the boys , he is accepted by a group of male friends who do things that are thought of as typically masculine .
the boys in blue
The police are sometimes referred to as the boys in blue .
jobs for the boys
If you refer to work as jobs for the boys , you mean that the work is unfairly given to someone's friends , supporters, or relations , even though they may not be the best qualified people to do it.
separate the men from the boys
to show who is strong and capable and who is not
sort out the men from the boys
to separate the experienced from the inexperienced