Know your role and shut your mouth, jabroni.
Now, when you use the term 'jabroni,' no one can tell you that you're using a slang term as the word has officially been added to the dictionary.
The official definition reads:
Slang. a stupid, foolish, or contemptible person; loser:
She always has a comeback to own the trolls and jabronis on Twitter.
Shut your mouth, you dumb jabroni!
Also called en·hance·ment tal·ent [en-hans-muhnt tal-uhnt], job·ber [job-er] .Professional Wrestling. a wrestler whose purpose is to lose matches against headlining wrestlers in order to build up the status and fame of the headliners: The man is a legend in the ring—he eats jabronis for breakfast.
The Rock made the term famous during the late 90s, calling his opponents 'jabronis' during his electric promos. The term has stuck around for wrestling fans and is still used to this day.
Now, go read the dictionary, jabroni.