The definition of a donkey is a hoofed mammal similar to a horse that has long ears and that brays, or is a foolish, stupid person, or is the symbol of the Democratic party.
(noun)See donkey in Webster's New World College Dictionary
noun pl. donkeys
Origin: also earlier donky: late slang, rhyming with and patterned after monkey: < ? Duncan or < ? dun
See donkey in American Heritage Dictionary 4
noun pl. don·keys
Origin:
Origin: Perhaps from the name Duncan
Origin: or of imitative origin
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