Idiom: jack up something
Idiom: jack up something (jack something up)
- to suddenly increase something sharply to an unreasonable or unacceptable level
Note: A Jack is a tool that is used to raise or lift things up (e.g., a car jack is used to raise a vehicle to do repairs underneath it or to change a tire).
- Credit card companies wait until their customers have high balances on their accounts and then they jack up their interest rates.
- After the war started, gas stations jacked their prices up.
- My neighbors just jacked the music up and this time I'm going to call the police.
- We jacked up the radio when our favorite song came on.
- In 2015, Martin Shkreli jacked up the price of a life-saving HIV drug by 5,000 per cent from $13.50 to $750 a pill.
- Please jack the heater up, it's freezing in here.
- At Christmas, retailers jack up the prices of wrapping paper, cards and decorations, so I always buy these items in January, after the holidays.
- There are laws in place that prevent stores from jacking up the prices of water and other essential goods after hurricanes or other natural disasters.
- Who just jacked up the air conditioner? Our electric bill will be enormous this month.
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> idiom: jack up something