Who invented the word limey?

Answer 1

From: http://www.boxingscene.com/forums/showthread.php?t=111683

Limey is an old American and Canadian slang nickname for the British, originally referring to British sailors. The term is believed to derive from lime-juicer, referring to the Royal Navy and Merchant Navy practice of supplying lime juice to British sailors to prevent scurvy in the 19th century. The term is derogatory in the sense that the British would be allegedly more preoccupied with the savings of limes over lemons which were traditionally used to prevent scurvy. The term is thought to have originated in the Caribbean in the 1880s. A false etymology is that it is a derivative of "Gor-blimey" ("god blind me!").

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Answer 2

The term "limey" was derived from British sailors who were required to eat limes on long sea voyages to prevent scurvy due to their high vitamin C content. It is believed to have originated in the 19th century.