UPPISH,
rampant, crowing, full of Money. He is very Uppish; He is well-lined in the Fob; also brisk.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
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Uppish in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).