Red Sea pedestrian, n. — Green’s Dictionary of Slang

Red Sea pedestrian n.

[the exploits of the Hebrews during their Exodus from Egypt, among them the crossing of the Red Sea, temporarily dried up with divine assistance]

(Aus.) a Jew.

[1898		Binstead & Wells A Pink ’Un and a Pelican 252: Two gentlemen, whose cast of features involuntarily reminded one of the only recorded instance of the Red Sea being crossed on foot].
1899		A. Binstead Houndsditch Day by Day 119: ‘No fear, he ain’t,’ cried the anecdotal Red Sea pedestrian warmly.
1985		B. Humphries Traveller’s Tool 42: A very spunky little Red Sea Pedestrian ragtrade lass.
2005		S. Orr Hill of Grace 78: A Yid, but by far the nicest Red Sea pedestrian I’ve ever met.
2020		Twitter 18 Sept. 🌐 To all Red Sea Pedestrians, Lunar calendar followers and everyone Else — a Happy and Sweet and Healthy New Year.
2024		J. Meades Empty Wigs (t/s) 119: Sam Davis in procurement. He wasn't overjoyed to be called The Red Sea Pedestrian [...] But the fucker took offence when I called him an oven dodging yid cunt.