jackwaggon 

a giant dumbass who doesnt kno anything. would quite possibly get everyone killed because of his stupidity

man: bob what are you doing
bob: tryin to shoot that gas can
man: you damn jackwaggon

jackwaggon by awesometits56 October 26, 2010

jackwaggon 

Someone who doesn't know how to spell wagon or comes from the UK.

You: omg, that idiot riding the skateboard down that hill with no helmet is such a freakin' jackwaggon.
Me: you mean jackwagon?
You: no, I'm british.
Me: no you aren't.
You: shut up jackwagon.

jackwaggon by SallySoWhat March 26, 2012

Jackwaggon 

noun
An insult used to refer to a bad driver or vehicle driver by a bad driver.

I just got cut off by this jackwaggon!

The jackwaggon in that F-150 is tailgating me.

Jackwaggon by 318-3 August 2, 2025

Jackwagon 

(noun)
-A vulgar term used to describe a person whose opinion is held in very low regard and considered irrelevant.

- Worthless individual.

unfortunately This years Presidential candidate is a total jackwagon.

Jackwagon by DEADMEAT October 28, 2020

jackwagon 

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."

jackwagon by dookeyboy November 25, 2010

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

Jackwagon by LTC's Daughter-in-law December 27, 2010

jackwagon 

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!

jackwagon by David J. July 2, 2005