tr.v., -jacked, or -jacked, -jack·ing, or -jack·ing, -jacks, or -jacks.
To commit forcible theft of (a vehicle) from its users.
carjacker car'jack'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.