Ricers.
Should have slapped him arond a little just for the hell of it. So what if you're the manager? The kid needs some sense knocked into him.
See if you can get him to take it to the strip. Maybe get him to go and watch first. Then he'll see what other cars are doing and he'll have some sort of "goal". The excuses he'll cokme up with ought to be worth the price of admission.
Then slap him around some more.