To play it just as it sounds on the album, you need to tune the guitar on 
G C F Bb D G

Cadd2/B            Em
Who's in a bunker? Who’s in a bunker?
Gm/Eb              C
Women and children first and the children first and the children
Cadd2/B           Em
I laugh until my head comes off
Gm/Eb            C
I swallow till I burst  until I burst until I
Cadd2/B            Em
Who's in a bunker, who's in a bunker
Gm/Eb           C
I have seen too much I haven't seen enough you haven't seen it
   Cadd2/B       Em
I laugh until my head comes off
Gm/Eb              C
Women and children first and children first and children

Chorus:
Cadd2/B        Em   Gm/Eb                 C
Here I'm allowed... everything all of the time
Cadd2/B        Em   Gm/Eb                 C
Here I'm allowed... everything all of the time

The rest of the song is repeating the sequence