PETER Lay,
Rogues who follow petty Thefts; such as cutting Portmanteau's, &c. from behind Coaches, breaking Shop Glasses, &c.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
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Peter Lay in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).