Top definition
The Japanosaurus Rex or Japanosaurus for short, is a term used to describe a female with an obsession for Japanese, and ONLY Japanese men, wether its pretty or masculine, they pull them successfully or not, one at a time, or after them all at the same time, it stalks its prey, corners and grins at it; baring its yellowish teeth. It makes bad attempts to talk in Japanese to distract its prey before it pounces.
That Russian is a mighty Japanosaurus Rex.

Hide your man, the Japanosaurus is on the prowl.
by x-mochi-sweety-x February 27, 2008
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