intro:

1-2-3-4!!

      Am                             G                               Am
e--------------------       e------------------         e-------------------
B-------------------        B------------------        B-------------------
G-------------------  x4  G------------------  X2 G-------------------  X1
D-------------------        D------------------       D-------------------
A----5--7--5------         A----5--5---------        A----5--7--5------
E---------------8---        E------------3--5--       E---------------8---

*      Am             x4        G                x2       Am         x2
e-----------------------|----------------------|-------------------
B----------------------|----------------------|-------------------
G----------------------|----------------------|-------------------
D----------------------|----------------------|-------------------
A----5--7--7--5------|----5--5--5--------  -|----5--7--5-------
E-------------------8--|---------------3--5--|---------------8---
   Yeeeeeaaaaaaaaahhhhhhhhhh!!!

verse (upbeats--reggae feel):
       Am        Em        G          Am
e----5--5------7--7-----3--3----5--5----
B---5--5------8--8-----3--3----5--5----
G---5--5------9--9----4--4-----5--5----
D--7--7----------------5--5----7--7-----
A------------------------------------------
E-----------------------------------------
(i don't think the verse chords are right, especially the Em)

chorus:
play *