I thought it meant 'Council Housed And Violent' ?
Either way, it seems to be the term of choice for anyone who acts like a cnut, and i totally agree with that, If your not going to comply with the standards society set, then why not be cast aside as a Chav....it happened to lepers.
also, before anyone says 'blah blah blah i got the right to act how i want' Well, erm, not really. Not when it involves been a total prat, making others lives a misery, and desecrating a 10 mile radius of where you live.