Cup of joe意思
"Cup of joe" is an American slang term for a cup of coffee. The origin of the phrase is somewhat unclear, but there are a few theories as to how it came about:
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Navy Slang: Some believe that the term comes from the Navy, where "joe" was used as a slang term for coffee. The story goes that when coffee was first introduced to sailors, it was a strong, bitter brew that was not very popular. The sailors took to calling it "joe" as a way to express their disdain for the drink.
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President Joe Kennedy: Another theory is that the term comes from President Joe Kennedy, who was known for his love of coffee. It is said that during his presidency, coffee became more widely available and popular, and people began to refer to it as "a cup of Joe."
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G.I. Slang: During World War II, soldiers often referred to coffee as "joe," possibly because it was a common name at the time and coffee was a staple in the military.
Regardless of its origin, "cup of joe" has become a widely recognized and used term in the United States for a simple cup of coffee.