This is a simple song. I was playing around with my bass one day and i played this and i said 
to myself this sounds exactly like that woo hoo song and i played it to itand it sounds 
very similar.......here it is/

G——————————————————————
D——————————4—5—4———————
A————4———7———————7——4—— X2
E——5———————————————————

G——————————4—5—4———————
D————4———7———————7——4——
A——5———————————————————
E——————————————————————

G——————————————————————
D——————————4—5—4———————
A————4———7———————7——4—— 
E——5———————————————————

there ya go its that simple. just play fast and you can sing along with it.

here are the words....

Wooo hooo wooo hoo hoo 

just repeat