It is called boy yet man young . Although there is no exact delimitation of the concept, it is usually used to refer to teenagers and subjects of up to about 40 year old.
For example: “A very kind boy helped me cross the street”, “Tonight I will have dinner with the boys”, "Two boys were arrested for causing riots on public roads".
It should be noted that the idea It can also be used in women: girl . In that case, it is linked to women who are living their youth: “In the house next door lives a girl who won an important literary prize”, “The girls and I have decided that we are going to spend the holidays on the beach”, "The old man started yelling at the girl, who didn't hesitate to call the police".
Sometimes the notion of boy is used to name a Group of friends regardless of your age . An individual of 60 years, to cite a case, you can name your friends as "The boys", even when everyone is around six decades of life. In this context, the term acquires an affectionate or affectionate connotation.
It is important to mention that the word boy (or his plural boys ) appears frequently in Titles of songs, movies, TV shows, etc. "Boy" It's a tango with music from Edgardo Donato and letter of Celedonio Flores and a movie released in 1970 With the performance of Sandro . "Good boys" , in as much, it is as it was known in some countries to the film of Martin Scorsese whose original title is "Goodfellas" .