Jack Up, to

Meaning of Idiom ‘Jack Up (Something)’ To jack up something means to raise it or increase it. 1Ammer, Christine. American Heritage Dictionary of Idioms. Boston: Houghton Mifflin Harcourt, 2013.,2Spears, Richard A. McGraw-Hill’s American Idioms Dictionary. Boston: McGraw Hill, 2008. Usage This idiom can be used in the active or passive sense. Something can be jacked up or one can jack up something. It is … Read more