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jack up

To raise, hoist, or lift a thing using a jack, or similar means.

ˈd͡ʒæk ˈʌpDocumented since 1880sSilenthistoricalCurrent168 viewsLast reviewed Jun 29, 2026+ Add a definition
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3 definitions
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9 citations · last seen May 2026

Etymology timeline

Born ~1885 · 1 year of recorded use
1885Born2026: 9 citationsToday, 2026

Seen in the wild

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#1·Apr 27, 2026

To raise, hoist, or lift a thing using a jack, or similar means.

He jacked the car up to change the tire
Origin: * Sense of “hoist with a jack” is from 1885; then, “increase prices, etc.” (1904, American English); both ultimately from noun mechanical device used to raise heavy objects * “Screw up, mess up” sense derived from, or influenced by fuck up, as a bowdlerization; also possibly influenced by high, intoxicated * First dialectal idiomatic meaning: “abandon, give up” (1873), possibly a corruption of chuck up, as chuck up the sponge (“give up, concede, give token of submission”). Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
Heard in the wild
  • “I'm not sure we get there without a bunch of imprecise outrage over it. The default in most places right now seems to be "fuck it we're going to gas turbine up the neighbors or jack up their bills"”

    — Bluesky· May 2026
  • “Exactly, They rarely broke back then. You could jack up your car with them if needed 😂.”

    — Bluesky· May 2026
  • “If you want to build one close to you, go nuts. It is trivially easy to find sources that show that 1. They are very noisy 2. They create heat islands that span miles 3. They create few jobs 4. They jack up local utilities”

    — Bluesky· May 2026
  • “Here's the document underlying RFK Jr's declaration that 77% of today's young people would not qualify for the military. This report was used by the military in order to jack up the max age for enlistment. Lots and lots of red flags in this. www.esd.whs.mil/Portals/54/D...”

    — Bluesky· May 2026
  • “Do they? In northern Colorado we have tons of them and they're silent and unobtrusive, provide many jobs, don't jack up utility costs, or pollute so it's hard to see the basis for comparison”

    — Bluesky· May 2026
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#2·Apr 27, 2026

(colloquial) To ruin; wreck; mess up; screw up; sometimes as a bowdlerized substitution for fuck up.

For parents

"jack up" means: To ruin; wreck; mess up; screw up; sometimes as a bowdlerized substitution for fuck up.. This is strong language and parents may reasonably want to discuss when, where and around whom it is used. It is not usually a sign of trouble on its own; many teens use such words to fit in with peers. A calm conversation about register, audience and consequences (school, work, family) tends to be more useful than a ban. Pay attention to the target of the language more than the word itself.

For ESL learners

"jack up" means: To ruin; wreck; mess up; screw up; sometimes as a bowdlerized substitution for fuck up.. Register: strong, taboo language. Avoid in writing, business, classroom and any formal setting; reserve for close friends after observing native use first. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in a comparable context.

Cluster: fail
Heard in the wild
  • “Well you have the PS5's recent price hike along with ram and hard drives prices being jack up as well.”

    — Bluesky· May 2026
  • “Translation: oh no! Double digit exponential growth is not possible so we need to cut people and jack up prices to make shareholders happy.”

    — Bluesky· May 2026
  • “sex life is awesome? time to jack up some 3's”

    — Bluesky· May 2026
  • ““When did I see them starving and did not jack up the prices?” The Gospel according to Capitalism”

    — Bluesky· May 2026
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#3·Apr 27, 2026

(informal) To raise, increase, or accelerate; often said of prices, fees, or rates.

The oil rig can be jacked up higher when the hydraulic legs touch the sea floor.
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