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 16, 2010
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I can't hang out with Brian anymore, he's become the jack of all tirades, nothing but negativity, a real bummer.
by Scott Freah September 22, 2006
Get the jack of all tirades mug.by Whowantsabodymassage August 18, 2008
Get the jack sparrow mug.A terrible disease which makes the victim appear 30 or more years older in appearance than they actually are in numerical age. The name comes form the 1996 Robin Williams Film ``Jack``There is no known cure, although smoking at least 3-4 large marijuana joints per week has emerged as a well documented preventative measure.
My friend`s 22 year old girlfriend appears to be in her sixties due to an ungodly case of Jack disease.
by Jackdisease survivor January 5, 2011
Get the Jack Disease mug.a musician whose songs are guaranteed to get the player laid, no matter what the circumstance. girls love him, guys love him...but girls REALLY love him. to all the men out there looking to get a girl really fast, pick up a guitar and learn some jack johnson, because it will get you some over and over and over and over again.
by johnnycash32 May 24, 2011
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