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.
* Sense of “hoist with a jack” is from 1885; then, “increase prices, etc.” (1904, American English); both ultimately from noun jack (“mechanical device used to raise heavy objects”) * “Screw up, mess ...
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