1.) To be in a state of disarray, or an undesired position.
I wrecked my truck last night, and the front-end is all jacked-up.
by Gary J. Talley March 19, 2003
Get the Jacked-Up mug.
commonly thought of as meaning trousers that are too short, 'jack-ups' are actually trousers that, surprise surprise, have been 'jacked' up. That means that the waistband has been pulled higher than necessary, possibly up to the naval (bellybutton) or chest.
person1: (indicating person2's trousers) ha, look, he's got jack-ups!

person2: actually, my trousers are just a bit short

person1's friend, person3: yeah thats what jack-ups are, you idiot

person2: commonly thought of as meaning trousers that are too short, 'jack-ups' are actually trousers that, surprise surprise, have been 'jacked' up. That means that the waistband has been pulled higher than necessary, possibly up to the naval (bellybutton) or chest.

person1 & person3: youre such a nerd
by A D August 13, 2007
Get the jack-ups mug.
(v.) To get "jacked up" is to be altered in a fashion that is undesirable or not to normal working condition(Ex. 1). Could also be something completely undesirable, such as an event(Ex 2). Also could be used as slang for being in a fight...and losing(Ex. 3).

(n.) A truck(or car) with a lift kit. Most likely a 4x4 pickup truck. Mainly used as slang by people from rural areas(Ex 4).
1. Man this screwdriver is jacked up! See that bend in it?
2. The water bill is 300 dollars? That is jacked up!
3. Dude did you see John after that fight lastnight? He got jacked up!
4. "Yeah the parking lot is muddy, can't get to the door. I take my Jacked Up and drop it down in four-by-four." -Drink In My Hand by Eric Church.
by Mastercat 001 October 22, 2011
Get the Jacked Up mug.
To jack-up is a gymrat term for working to improve a specific muscel or set of muscels, especially women who want to firm-up their butts.
She is doin something to jack-up that ass. I'll bet she spends an hour-a-day on the stairclimber."
by Jim Inman August 17, 2006
Get the jack-up mug.
A “Jacked Up” is a 4x4 vehicle usually a pick up truck modified for off roading
I’ll take my jacked up and drop her down in 4x4
by Mumbl3s8p August 4, 2019
Get the Jacked Up mug.
To have a lot of something whether it be materially or people and wanting some more of that
by Christia February 1, 2004
Get the Jacking up mug.
'Jacking up' is the state in which a person/hobo/fugitive finds himself somehow getting involved with injecting heroin, a really bad drug, also a really stupid way of ingesting a drug. 'Jacking up' is sometimes referred to as 'stabbin' da veins'
Jalentine posted a photo of himself 'jacking up' which means he is a real badboy and he also got a tattoo and now he is fell over because he did too much heroin.
by MC BeeStealer February 12, 2016
Get the Jacking up mug.