Hilarious link. You can find videos related to virtually any topic in you tube. Some of them are quite funny. Check out this one.

http://www.youtube.com/watch?v=5F9NN6nLuJg

other great links are the following

skateboarding

http://www.youtube.com/watch?v=sf8n3LWmQKE

basketball

http://www.youtube.com/watch?v=wqPRdzrjWpU

climbing

http://www.youtube.com/watch?v=iDgp5KONXlQ

Take the time to explore further and find videos related to stuff you are really interested in.