yob UK /jɒb/US /jɑb/ noun2 •(slang, disapproving) A person who engages in antisocial behaviour or drunkenness.Yes, it's holiday time again for British yobs – and the rest of us can flee to those parts of Abroad which the louts ignore, or just cringe in shame at home. — 2009 •(no longer used) A boy.And you bet that each gal, not to mention each yob, Didn't care how much ooftish it cost 'em per nob. — 1897 formsyobs