Chords: CAPO ON 4 FRET:

Am    x02210
C (x32010@1)   x32013
D (xx0232@1)   x54030
Dadd9 x54035
Em    x22000
Fmaj7 x03210
G (320003@1)   320003

Attention to D and Dadd9! As you see, Johnny Marr plays Dadd9 just sliding 2 frets 
from C position (x54035) and D like this (x54030)
The important is that you play following the chords, as i wrote them ;)

Intro:

Am - C - Dadd9 - D

Am - Fmaj7 - G

Listen the song to figure it out ;)

Am (x02210@1)       C (x32010@1)       Dadd9 (x43141@2)  D (xx0232@1)  Am (x02210@1)     
Sweetness, sweetness, I was only joking when
  
   Fmaj7 (1x3210@1)   G (320003@1)       Am (x02210@1)            C (x32010@1)        Dadd9 (x43141@2)D (xx0232@1)Am (x02210@1)F (133211@1)G (320003@1)I said I'd like to smash every tooth in your head______________________

Am (x02210@1)       C (x32010@1)       Dadd9 (x43141@2)  D (xx0232@1)  AmSweetness, (x02210@1)sweetness I was only joking when

Fmaj7 (1x3210@1)       G (320003@1)       Am (x02210@1)          C (x32010@1)         Dadd9 (x43141@2)D (xx0232@1)Am (x02210@1)I said by rights you should be bludgeoned in your bed.__________

Fmaj7 (1x3210@1)  G (320003@1)              Am (x02210@1)    C (x32010@1)  Dadd9D
And now I know how Joan of Arc felt, now I know how

Am (x02210@1)      Fmaj7 (1x3210@1)G (320003@1)   Am (x02210@1)
Joan of Arc felt,____ _____as the flames rose
             
           C (x32010@1)          Dadd9D     Am (x02210@1)        Fmaj7 (1x3210@1)Gto (320003@1)her Roman nose and her Walkman started to melt_______



Riff: (Repeat this 4 times)

-0------------0--------3-0----0------------0-------3-0-----------|
---3--1-1-0-1---3--1-1-----------3-1-1-3-1---3-1-1---------------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|

Chorus:

Am (x02210@1)           C (x32010@1)Dadd9 (x43141@2)
Bigmouth   la da da da da

Am (x02210@1)    Fmaj7 (1x3210@1)G (320003@1)       
Bigmouth  la da da da
 
        Am (x02210@1)                          C (x32010@1)          Dadd9 (x43141@2)DBigmouth (xx0232@1)strikes again and I've got no right to take my place with the

Am (x02210@1)   Fmaj7 (1x3210@1)Ghuman (320003@1)race

Bridge:

Em - D

Em - Fmaj7 - G

Chorus again ;)

It's played very fast and could be difficult to read, but if you listen the song 
you surely can learn it ;)