Surprised nobody has posted Undone. The song is famous for being serious and finding mainstream appeal as a humorous song because Rivers sings "if you want to destroy my sweater."
In the event that you have somehow never heard this song:
Rivers Cuomo said:"Undone" is the feeling you get when the train stops and the little guy comes knockin' on your door. It was supposed to be a sad song, but everyone thinks it's hilarious.
In the event that you have somehow never heard this song: