1930s actually. Also known as the Hungarian Suicide Song. I dug out a bit of info on it, its attracted some interesting urban myths, and started a thread about it on the Alchemy & Accident forum, should anyone wish to follow up on it.
Since I'm the last person I want to hurt, I will name a song I'd kill someone to.. Dogs by Pink Floyd By Beck.
I think heroin by velvet underground would be a good song to OD to.... with pretty much any drug out there
Now you come to mention the great Sexsmith, from the same album - "And Now The Day Is Done". That's classic top-yerself material.