Their destination of choice for clothes shopping is the sports clothing shop and the jewellers.
Their destination of choice for a day out is hanging around in street corners, the park or the shopping centre.
Their dog of choice is one that looks 'ard, like a Staff (Staffordshire Bullterrier).
They love nothing more than to play music from their phones at the back of the bus.
Their only aspiration is life is to "sign on" at the Jobcentre and spend a large portion of their money on cigarettes, booze and weed.
They're largely under-educated, possibly dyslexic.
Their hobbies and interests are drinking; smoking; fighting; petty theft; loitering; shagging; listening to "wicked tunez"; and joyriding and doing donuts and wheelspins in the local car park (if they can afford a car).
On the off-chance that the Chav is employed, it'll be in an unskilled manual labour position.