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Idioms, Cliches, and Slang
Word and Phrase Origins
Vintage Slang

What is the origin of the term jackass?

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March 26, 2018 1:15AM

Answer

In much of the world outside the US a donkey is called an ass (which is confusing for those of us whose posterior is called an arse), and a male donkey/ass is also called a jack. So technically a jackass is merely a male donkey. Female donkeys are called jennies.