To jump on a couch means to openly express your love or infatuation with someone. Couch jumpers are usually rich actors who appear on a nationally televised show to show off their new girlfriend.
Tommy was so enthralled by his new found love Kathy that he started jumping on couches.
by Tricia July 5, 2005
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The act of totally and completely losing one's coolness and becoming a big dork in front of many people (also can be used as 'jumping the couch').
Tom Cruise lost his marbles and looked like an idiot when he jumped the couch on Oprah.

Timmy can't stop jumping the couch with all those fat sluts he brags about banging.
by philbad August 2, 2005
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See also
jump the couch, or jumping the couch

Bizarre behaviour or statement(s) of a formerly beloved celebrity recognized as the exact moment when the world realizes this person has lost touch with reality and their popularity plummets.

Inspired by Tom Cruise's behaviour when he tried unsuccessfully to convince the world of his mutual , non-transactional, hetero love for Katie Holmes.

See also "Jumping the Shark" as the original idiom, which was coined in 1985 by Jon Hein in response to a 1977 episode from the fifth season of the American sitcom Happy Days, in which Fonzie (Henry Winkler) jumps over a shark while on water-skis. The phrase is pejorative and is used to argue that a creative outlet or work appears to be making a misguided attempt at generating new attention or publicity for something that is perceived once to have been widely popular, but is no longer.

See also Matthew
McConaughey's Oscars acceptance speech at the 2014 academy Awards.

Update: See Will Smith at the 2022 Academy Awards.
Oof Will Smith really jumped the couch last night with that shit he pulled at the Oscars.
by Mr. Fitzwilliam Darcy March 28, 2022
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refering to Tom Cruise's display of affection for Katie holmes. Meaning, did something stupid or idiotic
My friend benny just jumped the couch and had sex with my sister!
by Von Beckie August 12, 2005
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Another way of professing your insane love for your girfriend who's 16 years younger than you
Tom Cruise recently jumped on Oprah's couch then Jay Leno's couch promoting his love for Katie Holmes
by Carlo Evidente June 22, 2005
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A form of saying that means you are really mad or really excited.
BRO THIS WIRELESS HEADSET'S SOUND MAKES ME WANT TO JUMP OFF MY COUCH
by Jakob Rodriguez December 3, 2020
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