I'm with those who suggest that in the future you restrain from "flipping off" drivers. That said I've had my fair share of birds fly out of my hand and do think it is a form of free "speech" and does not warrant violence or a threat of violence in response.

This driver should be reported in my opinion.

For what it's worth I had a group of "kids" in a small car deliberately aim at me in an intersection and lean on the horn (as a joke !!?), as I went by Fenway Park immediately following a game the other night, the driver was inches from me as I "flipped him off". They then screamed at me some more and it really ticked me off. With tons of witnesses who'd seen their flagrantly aggressive move I whipped the bike around and quickly chased the car down and caught them in no time.

I only had the intention of giving them a further "piece of my mind" and seeing if I could grab a cop (there's usually a few of them around following the games to seek out rowdies like these guys) but was surprised at their response when I caught them. Granted I must have looked really enraged because they were rolling up windows and looking terrified as I caught up to them. The last thing they were trying to do was close was the sun roof, and I was tempted to yank the driver up out of his seat by his hair.

Instead, as he was literally pleading for mercy and apologizing, I gave him my standard, "That's 3000 lbs of responsibility you're driving there buddy. Learn how to handle it before someone shoves it right up your a.." Not my most elegant moment but it expressed what I was feeling and got a pretty good response from the bystanders who'd seen the whole event. Sometimes it pays to be 6'3 and to have the capacity to look like raging lunatic with split second accuracy.

I wish I could be all zen all the time but every once in a while the demon comes out.