Top definition
someone who isn't attracted to either men or women
or has no sexual orintetion
guy: hey you should do me
girl: No thanks, I don't like guys
guy: oh you like girls thats cool
girl: No, Im ni-sexual I dont like anything
by chuckie lebowsk October 30, 2005
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2
the opposite of bisexual, you have no sexual attraction to male or female whatsoever.
typical guy 1:"Dude, she's hot!"
guy 2:"If you say so."
typical guy 1:"what are you gay?"
guy 2:"no, I'm just nisexual."
by shungLi May 08, 2008
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