Dictionary

To raise using a jack.

Example: He jacked the car up so that he could replace the brake pads.

To raise or increase.

Example: If you want to jack your stats you just write off failures as invalid results.

To produce by freeze distillation; to distil (an alcoholic beverage) by freezing it and removing the ice (which is water), leaving the alcohol (which remains liquid).

To steal something, typically an automobile. Shortened form of carjacking.

Example: Someone jacked my car last night!

To hit (the ball) hard; especially, to hit (the ball) out of the field, producing a home run.

High on drugs or stimulants.

Broken, imperfect, especially when followed by 'up'. (See jacked up)

Example: This computer is so jacked up, I'm surprised it can still turn on!

Strong and/or muscled.

Example: Wow, that guy is jacked!