Scully, I loved Wierd Al's original and I LOVE your version.
Here's mine (slightly modified). It's a bit obvious, but too fitting to pass up:
I Hear You Knocking
I went away and left long time ago
Now your knocking on my door
I hear you knocking
But you can't come in
I hear you knocking
Go back where you been
You begged me not to go but I said goodbye
Still your telling me all your lies
I hear you knocking
But you can't come in
I hear you knocking
Go back where you been
You better get back to your used to be
'Cause your kind of love ain't good for me
I hear you knocking
But you can't come in
I hear you knocking
Go back where you been
I told you way back in '92
I no longer wanted to be seen with you
I hear you knocking
But you can't come in
I hear you knocking
Go back where you been