What is this song it goes.........?

we dont need the water just let the ****** burn

the roof..the roof is on fire...

the bloodhound gang has a vesion of it.. its called the roof is on fire lol

and i found a version from pleasure room??

and also Coal Chamber... and i think thats the original one

the roof is on fire by bloodhound gang

Bloodhound Gang - Fire Water Burn