http://www.youtube.com/v/YsDbOMJOMgQ - Caught with pants down, the end is the best

http://www.youtube.com/v/x5SXv8gcvEg - Fat Kid

http://www.youtube.com/v/RVlGm-s7Lz8 - Urban Ninja

http://www.youtube.com/v/OC3YoGHznRI - Surprise

http://www.youtube.com/v/hJjZR3IMTg0 - Talking Skeleton on a motorcycle

I enjoy stupid humor and have to say the first 2 are my favorites