i agree with whole play with them thing. I would rev right back and act like i'm gunna race, then when the light turns green, let him blow by you and rear end the car in front of him, while you wait at the line. Then he'll feel good about himself and you can get a good laugh.
mods: Steeda SRI | 65mm FC TB | 22mm progress rear sway bar | Eibach Pro-kit Springs & Dampers | 35% Tint all around | MBRP cat back exhaust | SCT Xcal2 (hypnotically tuned) | Hawk HPS pads
....on my old car, now with a bone stock SVT