Penguin Attacks: Man Screams And Falls, Friends Laugh (VIDEO)

We all have our days. You know, those days when it's just better if no one messes with you.

Well, this penguin isn't too happy about this man invading his space, and it's not afraid to say so.

And the "attack" comes at the man's expense -- not only because he slips and falls on his butt, but because his buddies capture the whole thing on video. The video that's making its way around the web. The video you're about to enjoy.

Penguin: 1. Man: 0.