jack (something) up

Translations
поднимать (что-то), увеличивать (что-то)
The store jacked up the prices during the holiday season.
Магазин поднял цены в праздничный сезон.
Definitions
To increase or raise something, often suddenly or by a large amount; can also mean to lift something (like a car) using a jack, or to damage or ruin something.