You have to hand it to Jimmy Fallon: He dispensed with the inevitable topic of being called a "douchebag" on the internet (by this guy apparently) very quickly, in the second "webisode" for his forthcoming Late Night. You can totally see the joke coming, but at least he's trying this time! And he's tripled the runtime to four and a half minutes. Which is plenty. Seriously, it's fine. Really. Enough. (Video after the jump.)
Excerpt above; full short below.