" Jump the shark "
Meaning:
Introduce a ridiculous or unbelievable plot device into a TV series in order to boost flagging ratings.
Example:
Melodrama turned into jumping the shark when one of the main characters was killed by a milk truck in order to boost Christmas ratings.
Where did it originate?:
USA, 1977. Deriving from the American TV series Happy Days.
Where is it used?:
Mostly USA.
Hear the idiom spoken: