wop, dago (person of Italian descent)
1890: from the regular plural form les Ital(ien)s (“Italians”, pronounced /le‿ʁital(jɛ̃)/), with unexplained /ʁ/ for /z/, maybe underlining the trouble Italians have with pronouncing the French Rs.
Practica hablar y memorizar " rital " y muchas otras palabras y oraciones en francés .