Dare: Watch this video without cracking a smile. I bet you can't. I couldn't. And that's even after feeling a little guilty.
The folks over at worldwideinterweb.com put together the ultimate compilation of people running into things. Doors, light poles, and plenty of other things make the cut. And I bet that even if you feel slightly bad at laughing as hard as you will, this will still be your guilty pleasure of the day.
Now, here's your smile for the day (content warning for some language and even a crazy streaker):