On Thu, Oct 15, 2009 at 08:22:21PM +0200, Jens M Andreasen wrote:
  "Jumping the Gun" is prematurely advertising
some event.
 "Jumping the Shark" is inventing new fantastic facts to fit your
 bullshit soap-opera script. 
Anyone see the Arrested Development episode where Henry Winkler jumps
over a dead shark lying on a dock?