This is meant for beginners. Not completely accurate but good enough to sing along to.
-K.R.Lockard
Capo 4
Intro: G D A x2

D (xx0232@1)            GYou're (320003@1)like a screen flashing insufficient funds.
A (x02220@1)                    Bm (x24432@1)  
Cops knocking when the party's just begun.
G (320003@1)               D (xx0232@1)                  AYou're (x02220@1)a big rain cloud parked over my boat.
         D (xx0232@1)                  GYou're (320003@1)a cell phone splashing in my coffee cup.
A (x02220@1)                         Bm (x24432@1)     
A fumble on the one when my team was going up.
G (320003@1)                       D (xx0232@1)            AYou're (x02220@1)like brakes on my brain and all I know...

~Chorus~

G (320003@1)      DYou're (xx0232@1)a buzzkill every time you come around.
A (x02220@1)                  Bm (x24432@1)     
Those beers might as well have been poured out.
G (320003@1)               D (xx0232@1)                        AWhy (x02220@1)are you still showing up and bringing me down?
       G (320003@1)    DWhy (xx0232@1)do I keep letting you get to me
A (x02220@1)                   Bm (x24432@1)  
And mess up what this night was gonna be?
Em (022000@1)                                      GYou (320003@1)walk right by crashing my high like I know you will
           D (xx0232@1)         GYou (320003@1)little buzzkill. 
               D (xx0232@1)         ABaby, (x02220@1)you're a buzzkill.

D (xx0232@1)                   GI (320003@1)used to do everything I could do to do nice things.
A (x02220@1)                     BmNo (x24432@1)matter what I did or didn't do it didn't change.
G (320003@1)       D (xx0232@1)             AEverybody (x02220@1)knows you ended us.
            D (xx0232@1)                GSo, (320003@1)why you showing up here on my side of the tracks
A (x02220@1)                          BmSlipping (x24432@1)in this bar just to check out where I'm at.
G (320003@1)              D (xx0232@1)         AI (x02220@1)was a six pack in. Now I'm sober as a judge.

(Chorus)

G (320003@1)      DYou're (xx0232@1)a buzzkill every time you come around.
A (x02220@1)                  Bm (x24432@1)     
Those beers might as well have been poured out.
G (320003@1)               D (xx0232@1)                        AWhy (x02220@1)are you still showing up and bringing me down?
       G (320003@1)    DWhy (xx0232@1)do I keep letting you get to me
A (x02220@1)                   Bm (x24432@1)  
And mess up what this night was gonna be?
Em (022000@1)                                      GYou (320003@1)walk right by crashing my high like I know you will
           D (xx0232@1)         GYou (320003@1)little buzzkill. 
        D (xx0232@1)              A (x02220@1)

Em (022000@1)                 
Cause if it didn't hurt enough now I got to see you flirt
DNailed (xx0232@1)to the stool, watching you work.
GDon't (320003@1)you give a damn about how I feel
                                              DYou (xx0232@1)little brown haired, blue eyed, beautiful buzzkill
          G (320003@1)              D (xx0232@1)          AYea, (x02220@1)yea, yea. You're such buzzkill.

(Chorus)
         G (320003@1)      DYou're (xx0232@1)a buzzkill every time you come around.
A (x02220@1)                  Bm (x24432@1)     
Those beers might as well have been poured out.
G (320003@1)               D (xx0232@1)                        AWhy (x02220@1)are you still showing up and bringing me down?
       G (320003@1)    DWhy (xx0232@1)do I keep letting you get to me
A (x02220@1)                   Bm (x24432@1)  
And mess up what this night was gonna be?
Em (022000@1)                                      GYou (320003@1)walk right by crashing my high like I know you will
           D (xx0232@1)         GYou (320003@1)little buzzkill. 
         D (xx0232@1)       A (x02220@1)       G (320003@1)You're a buzzkill.