Sum 41 - Over My Head Better Off Dead Bass

Standard tuning.  I think this is mainly correct - it works for me anyway!
: means rest

guitar plays intro alone

G---------------------------------|
D---------------------------------|
A---------------------------------|
E-2-2-2-2-5-5-5-5-0-0-0-0-5-5-5-5-| X2

 guitar plays very first bit
G-----------------------|
D-----------------------|
A-10-10-12-9-9-10-7-7-7-|
E-----------------------|

interlude
G------------------------|
D------------------------|  not totally sure if this bit is all correct
A-7-7-:-7-9-9:-9-:-10-10-|
E------------------------|

pre chorus
G----------------|
D----------------|
A-10-10-10-10-10-|
E----------------|

chorus
G-------------------------------------------------|
D-------------------------------------------------|
A-7-7-7-7-7-7-3-3-3-3-3-3-------------5-5-5-5-5-5-|
E-------------------------5-5-5-5-5-5-------------|

G-----------------|
D-----------------|
A---3-3-----5-5-5-|
E-2-----5-5-------|

play verse and interlude and chorus

G---------------------------------|
D---------------------------------|
A---------3-3-3-3-----------------|
E-2-2-2-2---------5-5-5-5-4-4-4-4-|

G--------------------|
D--------------------|
A--------------------|
E-5-5----5-5-----5-5-|

G-------------------------------------------------------------|
D-------------------------------------------------------------|
A-10-10-10-10--9-9-9-9--12-12-12-12--10-10-10-10--14-14-14-14-|
E-------------------------------------------------------------|

G--------------------------------------|
D--------------------------------------|
A-10-10-10-10-9-9-10-10-12-12-41-14-14-|
E--------------------------------------|

play chorus and that's it!