The act of utter idiocity or extreme ignorance; stupid beyond belief...
Wow that was jabronism at its worst, they need to fire him
by FOIABiatch January 13, 2010
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Stupidity of epic proportions that has a totally uncool/ undesired effect.

Such as systematic and creatively planned accounting fraud, known as the "Enron scandal".

A scandal that was really uncool for the 22,000 employees who subsequently lost their jobs due to the actions of greedy piggies.
Maz: "Skitt did you get my copy of Bayonetta for PS3 that I asked you to get me with my money?"

Skitt: "Yeah here you go..."

Maz: "Skitt you brought me Bayonetta for 360! And I also see you've managed to top yourself up on crack. You fucking jabron".
by zam ituokalam January 21, 2010
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Someone who is talking stupid or just says stuff no one cares about.
"Yeah I was with this girl last night and she was all up on me and I nailed her at my crib last night."

"Yeah sure dude, stop speakin Jabronics."
by Kevin McGrew February 20, 2008
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1. The chief overseer or ringleader who represents a posse of Jabroni (See “Jabroni”)

2. Being a simpleton, Jabroners are often illiterate and words with more then two syllables are not in their vocabulary.

3. One whose stench alone is enough to start a fist fight at children's cancer charity walk fundraiser.

4. Jabroners will often pick fights, scream profanities and act aggressively towards individuals who are not capable of defending themselves, usually infants and the elderly.

5. Jabroners excel at ruining great opportunities for others, scoffing and emitting bodily fluids as catastrophe overwhelms the victim. They take pride in this as it is the primary fundamental that defines them.
Jeff : “Dude, whats going on with all that commotion over there?”

Greg: “Looks to me like that group of douche-bags overran the rescue missions community brunch again.”

Jeff: “Yea, that Jabroner seems to be leading the assault, he's pushing that handicapped guy in the wheelchair over the 5th street bridge!”
by Jabrowni August 5, 2011
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1. A friend, buddy.

2. A friendlier word for "idiot".

3. Someone that farts in the bathtub and then plays with the bubbles and sniffs the farts.
OMG you jabrone, you've been in the bathroom forever!
by Bill Appleball September 4, 2008
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1: To annoy or aggravate a person or group of people by acting towards them in a manner typical of a jabroni.
2: To cause damage, confusion, or other negative effects upon an object or situation by acting in a manner typical of a jabroni.
1: A drunken man was jabronizing two girls at the bar.
2: He jabronized his new bicycle by attaching an ugly milk-crate to it.
by M. Topcuoglu September 16, 2005
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To dick over a friend or coworker for one's own personal gain;

To be on the receiving end of grave unfortune
Reggie used the last of the toilet paper without fessing up and jabroned all of his coworkers.
The rain shower jabroned everyone at the picnic.
by Sir Francis Marion April 21, 2015
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