I found a ton of great movie clips last night but can't view them on my computer at work so I'll just post a couple for now.
Woman whoops her man bad (and when I say bad I'm not kidding):
A good chick fight:
Look at the kinds of morons I have to put up with on my commute during the winter:
I'm sure most have seen this one but it's worth posting again:
Fat kid singing
This one is just awesome and the best of the bunch IMO. Watch this moron try to knock the kid of his bike with a car door: