look up any word, like cleveland steamer:
 
16.
Slang for what you are when you're high on acid
I'm all jacked up on acid!
by Opopanax August 01, 2004
 
1.
1. not working properly or as intended.
2. having used a large quantity of speed, cocaine, or other amphetamine.
3. cut or lacerated by means of a make-shift knife or blade. see SKIV
4. In generally poor or injured condition.
sense "1": "This is so JACKED UP! She said she'd be here at eight!"
sense "4": "I want to play, but my shoulder's still JACKED UP from last weekend.
by mainframe October 31, 2003
 
2.
This is a phrase largely equivilent to fucked up or screwed up. It roughly means "in a state of disarray" and is commonly used in the phrase "to jack someone/something up". In some cases, the meaning may be slightly altered by the fact that to get "jacked" can mean to be struck or injured.
That's jacked up man. I can't belive your girlfriend is cheating on you.

I got in a wreck last night. My car got totally jacked up.
by pete August 12, 2004
 
3.
(Adjective )informally used to describe something that is not quite right.
Her shirt is jacked-up.
That's jacked-up, why did you do that?
This definition is jacked-up.
by Hailey Cooley August 22, 2003
 
4.
high on some kind of upper, coke, speed, ecstacy, etc.
this shit is fuckin great man, it had me all jacked up last night
by watzy December 28, 2006
 
5.
Refers to pricing of items for sale. Generally implies that the marked price is higher than the item is worth for marketing reasons (to get a higher discounted sale price), or raised due to high demand (gouge price).
Some sale! These prices are all jacked up!
The car price is jacked up $3000 over list because no one has any left on the lot!
by KP: July 11, 2006
 
6.
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
 
7.
To get absolutely annhilated in a football hit.
Donovan McNabb got JACKED UP!
by Mike January 09, 2004