PEERY,
fearful, shy, fly. The Cull's Peery; The Rogue's afraid to venture. There's a Peery, 'tis snitch, there are a great many People, there'sno good to be done.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
Peery in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).