shi-shi
n.— «In Hawaii there is a similar thing. When people (esp. old women) have to go to the bathroom they will say “I gotta five-four-four.” Say “5-4-4” in Japanese and it’s “go shi-shi.”» —“Re: Hayari Kotoba (Fad Expressions)” by Maiko Covington Usenet: soc.culture.japan Nov. 17, 1992. (source: Double-Tongued Dictionary)
Further reading
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