Jack up definitions

Jack-Up

A jack-up is a type of offshore oil-drilling rig, the legs of which are lowered to the seabed from the operating platform.
Found on http://www.probertencyclopaedia.com/browse/GJ.HTM

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Jack Up

Jack up is slang for to inject oneself with a drug, usually heroin.
Found on http://www.probertencyclopaedia.com/browse/ZJ.HTM

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Jack up

British slang for to arrange or organise, especially at short notice.
Found on https://www.easypacelearning.com/english-books/slang-words-a-to-z/375-slang

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