Jewboy

"I said all Jewboys are afraid all the time. That's what I said."

Source: wiktionary

ITALIAN BOY: Are you a Jewboy? The boy doesn't answer, tries to keep going. ITALIAN BOY: Well, if you're not a Jew, say 'bread' in Italian. See, he can't.

Source: wiktionary

The dark-haired boy was grinning at them, he said to Heshy who was the tallest of the three friends, “We'll play a little game, Jewboy. You don't know the game so I'll teach you, right?” “You Jewboys can always learn something new, can't you?” the blonde said with a laugh.

Source: wiktionary