Definition of jabroni in US English:

jabroni

noun

US
informal
  • A foolish or contemptible person.

    ‘get it together, you jabronis’

Origin

Early 20th century (as jiboney): probably an alteration of Italian dialect giambone, literally ‘ham’.

Pronunciation

jabroni

/jəˈbrōnē//dʒəˈbroʊni/