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1.
The alternative to a Hi Five or handshake you use to prevent catching a disease during an epidemic.

To deliever the H1 N1ve simply make a fist and make contact with the other person's fist in any fashion.
After the hockey game both teams went to shake hands but instead gave eachother H1 N1ves.
by Raul (comes out at night) November 02, 2009