to kidnap someone at knife point, then proceed to take them hostage, threaten, rape, or in some cases, kill them.
Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation on them before killing them.
Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation on them before killing them.
if you want to learn how to knife-jack someone, your best bet would be to talk to someone like Jack the Ripper.
by Sexydimma March 6, 2015
When a trailer being hauled loses traction and begins sliding to the side of the vehicle that is hauling the trailer. Similar to a rear wheel drive vehicle fish tailing and losing control.
Passenger: Dude you better slow down on that turn, its pretty icy out there.
Truck Driver: You're right, I wouldn't want to jack knife and cause a wreck.
Truck Driver: You're right, I wouldn't want to jack knife and cause a wreck.
by afrojim2009 June 14, 2010
a semitrailer truck accident where the truck portion folds backwards so that it resembles a jack-knife
I realized I had to take a detour when I heard about the delay caused to a jack-knife on the freeway.
by The Return of Light Joker June 1, 2011
by Adam D. April 5, 2006
Having deposited your turd in the toilet, you look back to discover that its poking out of the water, too long and solid to go round the u-bend.
by n_m April 1, 2004
another term for a rude person, synonymous with asshole, jerk, dick, bastard
a way to curse without offending your grandparents
a way to curse without offending your grandparents
by Jigga JMO September 7, 2006
A dive in which you jump into a pool , fold in your body with your hands & feet close to each other with the finger tips and toes pointing down, then unfolding bringing your feet to the air and keeping your hands where they are.
person 1 on diving board "HEY GUYS! CHECK OUT THIS JACK KNIFE IM GONNA DO IN THIS POOL!!"
person 2 from a far "YEAH DO IT!"
person 2 from a far "YEAH DO IT!"
by Banzai Boy November 23, 2018