Definition of "yob"
yob
noun
plural yobs
(obsolete, costermongers, back slang) A boy.
Quotations
As we left the cemetery, I heard an elderly gravedigger muttering back slang to himself before Lucien's headstone. "Bloody shame, ain't it? Doubt the yob did much living by eighteen."I corrected the man, saying, “No fear, that yob did plenty of living.”
2010, Paul R. Wilson, The Birthday of Eternity, page 209
(derogatory, chiefly Britain, New Zealand, slang) A person who engages in antisocial behaviour or drunkenness.
Quotations
2005 January 10, Melissa Jackson, “Music to deter yobs by”, in BBC News
But while doing 70mph on the A1, a hooded yob threw rock[sic – meaning a rock] from a grass verge onto the windscreen of the family’s Jeep, causing it to swerve.
2017 March 27, Keiran Southern, “'We could have been killed': Fury at yobs who bricked windscreen with baby girl in car”, in Chronicle Live, retrieved 2017-03-28