Doctor of Osteopathy - a system of medical practice based on a theory that diseases are due chiefly to loss of structural integrity which can be restored by manipulation of the parts supplemented by therapeutic measures (as use of medicine or surgery)
used by the chav in multiple contexts. Usually relates to sexual intercourse but can also be used in a fight context or that of theft, criminal damage or drugs.
C'mon then. I'll do you cos I'm 'ard innit. (beat you up)
I'm gonna do Sharon tonight (have sexual intercourse with)
I'm gonna do his fucking car tonight (vandalise/steal)