I came across a song called “You Don’t Know Jack” by Girl With Ukelele. It’s a fun little song about a not so fun subject — a narcissistic “friend.” There’s no video of it, so I linked to the post where I found it, which has an audio you can play.
http://fawm.org/songs/57962

Here are the lyrics:

You, you’re always busting zongs
You think you know it all
But you don’t know Jack

You, you think you make the rules
You think you have them fooled
Cause you’re just on crack

chorus:
You may think I’m cruel but
You’re really just a weirdo
A narcissistic fool who thinks he is a hero

You, you think you are so cool
But you’re delusional
And just plain lazy

You , you think you’re so well liked
But they are just polite
They think you’re crazy

chorus:
You may be on top
Cause you lie and cheat to get there
But I will watch you drop
Cause you don’t deserve to be there

You, you kind of creep me out
Now that I figured out
You’re just a psycho

You, you are a parasite
I’m glad I saw the light
I’ve got your number

chorus:
You may think I’m cruel
But you’re really just a weirdo
A narcissistic fool who really is a zero

You, you think you know it all
Well you don’t know it all
You don’t know Jack