Definitionen
1.VerbTo raise, hoist, or lift a thing using a jack, or similar means."He jacked the car up to change the tire; The oil rig can be jacked up higher when the hydraulic legs touch the sea floor."
2.VerbTo raise, increase, or accelerate; often said of prices, fees, or rates."I can't believe they're going to jack up the price of gasoline again — and after they already raised it twenty cents a gallon!"
3.VerbTo ruin; wreck; mess up; screw up; sometimes as a bowdlerized substitution for fuck up."I'm not letting him use my computer again; he always jacks it up."
4.VerbTo give up; to abandon (something, e.g. a job, contract)
5.VerbTo organise something.
6.VerbTo shoot, especially in the context of a poor shot opportunity.
7.VerbTo improve or embellish on (something)."I jacked up the recipes with some fresh ingredients."
8.VerbTo refuse to follow an order.
9.VerbTo criticize, discipline or reprimand.
10.VerbSynonym of shoot up (“inject a drug intravenously”).