A nickname for someone who is insanely sexy. It is a nickname rarely given, only to those who are worthy. People with this nickname is hard to find, only about 1:1,000,000,000. Known to the gods as "The Sexy of All Sexy."

Nickname only given to Males.
No example has been found yet, no one has actually seen or heard of Ja Nay Nay, is he real?
by Twix Moment January 26, 2010
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