to us, kev always meant someone with a kevved-up car (usually an escort or crappy little peugeot or similar).
chavs don't necessarily have cars.
( sleepybinky, Wed 3 Jun 2009, 8:48, archived)

Some of the ones round my way have got those tiny little motorbikes.
They get told off by the police for zooming up and down the pavement and trying to knock old people into a main road.
( Captain Wow currently being a cunt in Infamous, Wed 3 Jun 2009, 8:49, archived)

monkeybikes!

( spangolin - the odds are good but the goods are odd, Wed 3 Jun 2009, 9:36, archived)

ikes eer

mmm, cool and crisp
( manolith hooray for me, Wed 3 Jun 2009, 9:38, archived)