Primus - Shake hands with beef
Drop D tuning - DADGBE

MAIN RIFF
E |-------------------------------------|
B |-------------------------------------|
G |-------------------------------------|
D |-2-----5----02220-----22205----02220-|
A |-2-----5----02220-----22205----02220-|
D |-2-----5----02220-----22205----02220-|

FILL
E |------------|
B |------------|
G |------------|
D |-8-7--88887-|
A |-8-7--88887-|
D |-8-7--88887-|

PRE CHORUS
E |-----------------------------0---|
B |------------------------------0--|
G |-------------------------5-----5-|
D |-8-7--88887---6-5--66665-4-------|
A |-8-7--88887---6-5--66665-5-------|
D |-8-7--88887---6-5--66665---------|

Thats about all you need to know, there is a solo, but I havn't worked it out yet.
MuD.