Ty Segall- Girlfriend from the album Melted. 
Lyrics are ear-transcribed by me..

Intro-E|E|E|E|A D A|C A G E|

A    D     A           C   A          G    E
I've got a girlfriend, she said she loves me
A     D     A      C    A    G   E
She's like a ????, she once told me
D               A      G E    G E  
Cause she don't mind, nothing nothing
A           D    A    C  A         G  E
She's got a new pal, she said i'm using (??)
A       D A   C  A     G    E 
???????????, I like to lose it
     D           A     G E     G E 
Cause she don't mind, nothing nothing 

Ty Segall- http://www.myspace.com/tysegall