To raise, hoist, or lift a thing using a jack, or similar means.
He jacked the car up to change the tire.
To 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!
To 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.
To give up; to abandon (something, e.g. a job, contract)
To organise something.
To shoot, especially in the context of a poor shot opportunity.