Words used commonly by newspapers in the United Kingdom to name degenerate youths. Yob is 'boy' backward and it was used to refer to lower class boys by the upper class commonly in the 19th century. Words are generally used at the beginning of a sentence followed by a petty crime which benefits no-one that the yobs have committed.
Newspaper: "Callous Yobs break octogenarians mobility scooter while laughing."