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Jackeen
jacket
jacket potato
jackfish
jackfruit
jackhammer
jackie hangman
Jackie-O
jackknife
jackleg
jacklight
jackpot
jackrabbit
jackrabbit start
jacks
jackscrew
jackshaft
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jack up

jack up


verb 
Definition:
 
1. transitive verb lift something with jack: to use a jack to lift a heavy object, especially a motor vehicle, off the ground

2. transitive verb increase amount of something: to increase something, especially a price or salary, often to an unreasonably high level

3. transitive and intransitive verb inject illegal drugs: to inject a drug, especially heroin, intravenously ( slang )

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