Based on Tom Cruise's display of affection for Katie Holmes on Oprah. To jump the couch is to say a person has lost the ability to deal with emotions in a reasonable way. Communicating some form of insanity to those around.
Sam is so upset about Jessica's request to break up, I think he might jump the couch.
<While in prison>
Convict A: Oooh, see him 'n his tight little ass?
Convict B: Yeah, player. Dats so hawt.
Convict A: He best watch himself and that cute little behind. Or I'ma jump his couch.
<Two people talking>
Tom: Man, Vanessa is goin' to come over tonight.
Tim: Yeah? You finally gonna hit that?
Tom: Yeah, she and I were talking. She said I could jump the couch with her.
"Then, as president, he jumped the couch by pedaling through the guns of August -the growing carnage and chaos in Iraq and Afghanistan." - Maureen Dowd, New York Times
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.