goose, n.² — Green’s Dictionary of Slang

goose n.²

[? pron. of goose as joose, i.e. Jews; HDAS suggests SE goose, a tailor’s iron, and the link of Jews to tailoring]

a Jew.

1898		in L. Thompson Youth’s Companion 364: You know how it is when the ‘geese’ – the East Side Jews – get a scare run into ’em.
1904		‘Number 1500’ Life In Sing Sing 259: Rousting a goose for his poke. Jostling a Hebrew so that the pickpocket may steal his purse.
1933		‘Paul Cain’ Fast One (1936) 30: Remember, Jakie [,,,] I get mad when a goose tries to run out on me.
1935		A.J. Pollock Und. Speaks.
1938		D. Runyon ‘Too Much Pep’ in Runyon on Broadway (1954) 632: I consider this most disrespectful, like calling Jewish people mockies, or Heebs, or geese.
1949		Monteleone Criminal Sl. (rev. edn).