Originally Posted by Terrierman
Broke them all. If you ever see him again, honk! in an honest effort to scare the bejeebers out of him. After he falls off the bike, you can help him up and explain how his bad behavior a couple of months ago has suddenly and unexpectedly come back to haunt him in the best twilight zone traditions.
Or just grab a handful of brake, and when he crashes out after hitting your rear wheel say, "Sorry, dude...didn't know you were back there."