Top Definition
An extremely sexy senior who has an undane obsession with luring young boys to her house to engage in tongue wrestling while attempting to watch Fight Club.
I had Janissa with sex last night.
by blackmail102 September 16, 2008
5 Words related to Janissa
A unique canadian person
Stop trying to be Janissa you're such a poser with all those bracelets.
by gigi July 09, 2004

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