d00d!
Someone else spells d00d d-0-0-d!
http://bizstone.com/2005/08/d00d.html
.comment-link {margin-left:.6em;}
The original:
http://www.albinoblacksheep.com/flash/numa.php
The Napoleon Dynamite version:
http://www.newgrounds.com/portal/view/228411 (click link that says
"WATCH THIS MOVIE!")
Wikipedia entry explaining the origin of the song, with links and such:
http://en.wikipedia.org/wiki/Numa_Numa