PHILISTINES,
Serjeants, Bailiffs and their Crew. Also Drunkards. I fell among the Philistines, I chopt upon a Knot of drunken Fellows.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
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Philistines in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).