odd job bob a job bob
an odd job bob a job bob does odd jobs for the odd bob, or to put it a different way - A person who never has a propper job and makes money by doing odd jobs here and there, for example painting Alberts shed for a tenner or washing cars for a quid a time. Usually they make most of their money by claiming dole though, and only do odd jobs because they get paid cash in hand.
Dave: That Bob is a right odd job bob a job bob
John: Hows that then?
Dave: 'Cuz he does odd jobs for the odd bob.
John: Hows that then?
Dave: 'Cuz he does odd jobs for the odd bob.