Help to identify a song in a Youtube video

Can somone please tell me what song in this youtube video?
http://www.youtube.com/watch?v=mwTc4obaxLM

:-)

At first listen I thought it was Bif Naked...but as it goes along I am not sure. :\

Thanks for trying.
I have tried many track ID-aps but with no result.
Have also tried searching by lyrics. Hope there is somone who know.