jack something up

jack up

1. To increase sharply. Please stop jacking up the volume on the TV. I can barely hear myself think.
2. To raise something through the use of a jack, a simple machine used to lift things. We'll need to jack up the car before we can change this tire.
3. To stimulate, excite, or motivate, often but not always through the use of drugs. In this usage, a noun or pronoun is sometimes used between "jack" and "up." By the way he was flitting around, you could tell the guy was jacked up on something. This soundtrack jacks me up so much when I'm working out.
4. To inflict damage upon, physically or otherwise. In this usage, a noun or pronoun is sometimes used between "jack" and "up." Yikes, that car wash really jacked up your car's exterior. I'm not going to lie, that horror movie jacked me up for weeks.
See also: jack, up
Farlex Dictionary of Idioms.

jack something up

1. tv. to raise the price of something. They kept jacking the price up with various charges, so I walked.
2. tv. to mess something up. Who jacked up the papers on my desk?
See also: jack, something, up
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • jack someone up
  • jack up
  • jacked up
  • barely
  • can barely hear (oneself) think
  • jack around
  • jack someone around
  • narrow escape
  • a narrow escape/squeak
  • to barely make it