A prick-eared fellow; one whose ears are longer than his hair: an appellation frequently given to puritans, who considered long hair as the mark of the whore of Babylon.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
P—k * PricklouseNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes