"Jump", also known as "Jump, You F--ker", is about a man who is perched in an upper storey window during a fire. Urged to jump into a blanket by the crowd below, he jumps and breaks his neck, the joke being there was no blanket.
With the banking crash of the first decade of the 21st
Century, this rather tasteless and humourless joke was revived, apparently independently, by performers on both sides of the Atlantic, genuine humour being injected into the song with the transformation of the victim into a banker.
Now that is funny.
Alexander Baron - London, England, for all above