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A much classier way of saying "on the rag", making a Japanese flag is the process of taking a white sanitary napkin and putting a big red blot in the middle of it.
Jacob: Dude, what crawled up Linda's ass today?

Robert: She's making a Japanese flag.

Jacob: Ohhhhhhhhhhh....
by tunnelr@ September 28, 2009
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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