n. Slang term derived from the Freight or Chow wagons used in the late 19th century. These were often the last wagons in a wagon train, making them the least favorable to drive due to the dust, waste, and debris from the front of the train.
When used as in insult it refers to one's lack of intelligence, implying the insultee is capable of no more than operating a Chow wagon.
You're doing it wrong, you Jack wagon!
Loser. Someone who is totally worthless.
"Maybe we should chug on over to mamby pamby land where maybe we can find some self confidence for you, you jack wagon!" (Geico commercial asking does a former drill sergeant make a good therapist?)
a crybaby loser pussy-type who needs to grow some cajones and start acting like a man
Billy: "Dude, I can't get Ronnie to play tackle football with us 'cause he's too afraid of getting hit."
Jimmy: "It doesn't surprise me, he's always been a fuckin' jackwagon anyway."
When something goes awry; someone who fouls something up, i.e., plans, projects, etc.
1. The vacation plans were jackwagoned.
2. I can't believe he messed up the vaction plans, what a jackwagon!
A useless piece of equipment, usually military, used to refer to a mule-drawn freight wagon which had been pieced together from dicarded or substandard parts, and subject to frequent breakdowns. Jackwagons typically were good for only one or two uses, then abandoned or discarded along roadsides and in ditches, and were often re-cannibalized to create new jackwagons.
"Maybe we should trot on over to mambypamby land and get you som confidence - you jackwagon!" Geico commercial
Lame, whiney, pathetic, take it in the ass sissypunk looking for a pity party.
Quit crying and grow a pair, you little jack wagon!
A person who fails to fulfill their duties to a pre-planned party. Ex: doesn't bring the ice cream. Other traits include but are not limmited to, hoarding details, whining about mundane tasks, and being generally "Bleck".
Why did I write J.W. on this list?" "Because Jackwagon cry baby left us without the ice cream, so he has to bring what we tell him.