I'm The Bomb Lyrics

Lyric discussion by Spudguy 

Cover art for I'm The Bomb lyrics by Electric Six

I'm not entirely sure I understand the lyric:

And I suspect heavy gerrymandering At the single's bar

Can anyone elaborate on this, please?

Gerrymandering is an Americanism for redrawing the lines of voting districts in order to affect the results--outlining an ethnic area or an economic one. He's saying this kind of tampering must have happened, because <i>"who elected you judge and jury"</i>?

Of course, she wasn't <i>actually</i> elected, but that's the joke.