YARMOUTH-Pye,
made of Herrings, highly spic'd, and presented by the City of Norwich annually to the King, on pain of forfeiting their Charter.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
Yarmouth Pye in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).