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36.
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
 
37.
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
 
38.
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
 
39.
The piece of skin between your balls and your asshole.
Kieran likes to lick jabroni's
by Steveo November 24, 2004
 
40.
A job-less loser who frequents A4E in Birkenhead.
"Get a job you Jabroni."

"Shut up Carro"
by Ian April 13, 2005