Green’s Dictionary of Slang

(US) a bushy hairstyle worn by white people, often curly-headed Jews; also attrib.

1975		Oui Mar. 134: Blair Sobol...used to wear microskirts and an Izro haircut [HDAS].
1977		L.A. Times 11 Oct. IV 6: To dye the few gray hairs in her soft, brown Isro, a Jewish Afro hair style [HDAS].
1996		J. Stahl ‘The Age of Love’ in Love Without (2007) 5: An enormous ball of frizzy hair he called his ‘Jew-fro’.
1999		J. Shamama ‘Dirt Bags and Roach Clips’ MetroActive 25 Oct. 🌐 I want to be normal, I really do. I want to wash, rinse, repeat like everyone else, but when I do, I end up with an Isro (Jewish version of an Afro).
2006		G. Pelecanos Night Gardener 20: Jerry Fink [...] sported a perm, which he called ‘my Jewfro’.
2010		A. Steinberg Running the Books 7: I have other [...] nicknames [...] Jew-Fro (though my hair is stick straight).
2013		NSWCorp 3 Apr. 🌐 Photographs of Pollak as an undergrad show him proudly sporting an expansive ‘Jewfro’ — he looks much happier and almost likeable, if not human, in his Jewfro.