to increase sth, especially prices, by a large amount; to damage, disrupt, or mess something up
Oxford67% of films
to increase sth, especially prices, by a large amount
I need you to jack up the bids.
Editorial33% of films
to damage, disrupt, or mess something up
The vibrations jack up their circuits. Snipers, shoot for the eyes.
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition