Realized there weren't any chord tabs for this song, so I figured it out real quick. 
This is my first tab, so correct me if I'm wrong. Chord changes are fast.

Tuning: DGCFAd

C: x32010
Em: 022000
Am: x022010
F: 133211
G: 320030

Intro: C, Em, Am, Em [x4]

Verse 1:

C Em     Am    Em       C        Em         Am   Em
I let you get away with thinking you're the cure
C Em        Am     Em         C       Em        Am  Em
I think I'm in too deep, it's time to pull the cord
C   Em      Am   Em       C         Em      Am    Em
You like me more when you think I'm getting bored
C Em          Am       Em    C    Em      Am     Em
I hope you're home the day I tear down the walls

CHORUS:
        C                  Em                       Am       F
I won't settle, settle, settle, you are never gonna hold me down

So toxic, you ain't nothin' but a prick
 Am                           F
I'm the best thing that never happened to you
C                 G                      Am         F
Never, never, never, you are never gonna live this down

Life's too short I can't fake it anymore
 Am                           F
I'm the best thing that never happened to you

C, Em, Am, Em

Verse 2:
C     Em      Am     Em    C       Em       Am    Em
Don't you get sick of only hearing your own voice?
C    Em          Am      Em                C      Em     Am  Em
Talk like you're so damn tough, but you're just a little boy
C   Em      Am           Em        C        Em   Am   Em
You like to think you've broke the mold but now I'm sure
C      Em         Am       Em
You'll crack just like the rest when I break your fucking jaw


CHORUS:
        C                 Em                        Am      F
I won't settle, settle, settle, you are never gonna hold me down

So toxic, you ain't nothin' but a prick
 Am                           F
I'm the best thing that never happened to you
C                G                       Am        F
Never, never, never, you are never gonna live this down

Life's too short I can't fake it anymore
 Am                           F
I'm the best thing that never happened to you

C, Em, Am, Em, C, Em, Am

Bridge:

C, Em, Am, Em

C, Em, Am, Em

C       Em
I won't settle
Am      Em
I won't settle
C       Em     Am   Em
I won't settle


CHORUS:
                                                    Am      F
I won't settle, settle, settle, you are never gonna hold me down

So toxic, you ain't nothin' but a prick
 Am                           F
I'm the best thing that never happened to you
C               G                        Am        F
Never, never, never, you are never gonna live this down

Life's too short I can't fake it anymore
 Am                           F
I'm the best thing that never happened to you

C, Em

C, Em, Am, Em