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14.
An oblivious moment in one's past, where there is verification of an un recollected event or phrase's existence via a credible third party confirmation or certified documentation, in which you have never heard of said event or phrase ever being used, therefore begin to believe that you were a cloned human whose implanted memories are false and are beginning to unravel an evil conspiracy to farm out your organs to rich movie stars.
I totally jumped the shark when saying "jump the shark" was popular, making me think that you made that phrase up just to irk me, because you're mad that I'm not as old as you are and you want to mess with my head.
by daniel Tamez January 17, 2008
 
1.
a term to describe a moment when somethin that was once great has reached a point where it will now decline in quality and popularity.

Origin of this phrase comes from a Happy Days episode where the Fonz jumped a shark on waterskis. Thus was labeled the lowest point of the show.
Cousin Oliver on Brady Bunch, Scrappy Doo.
by Anonymous October 21, 2003
 
2.
The precise moment when you know a program, band, actor, politician, or other public figure has taken a turn for the worse, gone downhill, become irreversibly bad, is unredeemable, etc.; the moment you realize decay has set in.
Tom Cruise jumped the shark the moment he jumped Oprah's couch.
by M. R. Traska August 27, 2005
 
3.
Original meaning was the point when a television series shows it has run out of ideas and must resort to stunts to retain viewer interest. Derived from a scene in the last years of Happy Days when the Fonz waterskied over a shark. Includes actions such as "it was all a dream" episodes, live episodes, lead actors playing guest characters, and putting entire cast into a parody of some pop cultural event.
It looks like "Will and Grace" decided to jump the shark. They are doing a live episode in black and white where they are all characters from Star Wars. Elton John will play Jabba the Hut who shoots Jack with a "straight ray" gun.
by Brent Thompson September 05, 2005
 
4.
Refers to the specific moment when a TV show goes downhill. From the Happy Days episode where Fonzie overcomes his fear of sharks by jumping over one while wearing water skis.
by Christopher Tam October 20, 2003
 
5.
when something stops getting better and starts getting worse
The Jump The Shark website, jumptheshark.com, jumped the shark when it was bought by TV Guide.
by bill ellis February 06, 2009
 
6.
The precise moment when you know a tv show, rock band, or actor has gone downhill.
The Brady Bunch jumped the shark the day Cousin Oliver joined the cast.
by VAKI5 May 08, 2005
 
7.
The beginning of the end. Something is said to have "jumped the shark" when it has reached its peak and begun a downhill slide to mediocrity or oblivion. It's said to have been coined by Jon Hein, who has a web site, jumptheshark.com, and now a book detailing examples, especially as applied to TV shows. It supposedly refers to an episode of the TV show "Happy Days" in which Fonzie jumps over a shark on water skis, which Hein believes was the point at which the series had lost its touch and was beginning to grasp at straws.
A TV show's sure "jump-the-shark" sign: the appearance of a "special guest star".
by John Slowata October 15, 2005