Wiktionary
vb. To move from one position to a higher position by one jump.
Wikipedia
Jump up may refer to:
Jump Up is the first EP by South Korean band F.T. Island, released on February 11, 2009. A music video was shot for the title track, "Bad Woman", already with the band's new guitarist, Song Seung-hyun.
Jump Up is the second album by the Japanese indie rock band Supercar. It was released on March 10, 1999 and it peaked into the 12th place of the Oricon Albums Chart.
Usage examples of "jump up".
I guess my mother figured if my father got right down to the task of eating he wouldn't be so inclined to jump up and strangle my grandmother.
When Springsteen thought no one was around, he would jump up on the shelf' where Butler's big glass cage was and stare in through the screen on top with his hungry green eyes.
Even then, 'anything' is liable to jump up and bite us on the ass.
He got up, finally, with the notion of doing exactly that, and immediately the junior-juniors wanted to jump up and follow.
He'd flop down, kind of bounce around and shout something, and jump up again.