One who is not good at his chosen profession or current task.

A jabroni talks smack but has no way of backing up his mouth.

A jabroni lets his mouth say stupid things when it shouldn't.
To quote The Rock... "Who... in the Blue Hell are you... jabroni?"
As if to say, "Who are YOU to interrupt me?"
by Lee Miller January 06, 2003
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one whos shit is most definitely weak.

someone who talks big, then when its time to run the table they're passed out underneath it.
"Now look at this jabroni here"
by christopher j h August 31, 2006
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a word that the Rock started as a craze but Jerry "the King" Lawler really origniated
a wannabe
guy #1: I'm dating a girl who wants to be punk.
guy #2: Well stop wasting your time and dump that jabronie!
by Mike January 04, 2004
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1. a wrestler with no shtick, no costume, and a lame name like "john evans", going up against a real wrestler lkie "hulk hogan" or "the rock". a jabroni may get in a couple good moves, may even get into a 'near-pin' situation, but will ultimately lose. why? he's a fuckin' jabroni!
2. a poser, one without an identity.
3. fodder for the ring. see 'dead meat'
1. that jabroni was wearing calvin klein briefs for a costume! good grief!

2. stop acting like a jabroni, you'll get your ass kicked.

3. who's the jabroni?
by ivan stratego May 11, 2006
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1: The title given to Socrates by visiting Roman philosophers.
2: Someone exhibiting reasoning ability as poor as that of Socrates.
Marcellus: I don't understand all the hype about Socrates, that jabroni reasons worse than a drunken germanic slave.
Marcus: Indeed, that jabroni should be thrown to the lions!
by M. Topcuoglu September 25, 2005
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