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28.
One who is attracted to males, females and hermaphrodites.
Guy 1 "Do you think that guy is bisexual"

Guy 2 "No he's to weird for that he's definitely trisexual"
by XXX C-rad XXX March 29, 2010
 
1.
the definition of someone who will "try" anything sexual.
person 1 : whats your sexual preference?

person 2 : hey man i'll do anything, im TRI-SEXUAL
by David Towle June 03, 2004
 
2.
a person who is sexually attracted to men, women, and tricycles.
Mike: "yo, what's that guy doing with that bike?"

Steve: "No dude it's cool, he's probably just a trisexual."
by GRG12467 October 26, 2008
 
3.
A person or persons actively engaging in sexual intercourse with anyone or anything, be he, she, or it animate or inanimate.
That man, he a trisexual!
by ShoYooRight March 02, 2003
 
4.
a person who's into girls, guys, and seahorses.
Omg what is that guy doing to that seahorse? Is he tri-sexual?
by Talhoino November 02, 2008
 
5.
A person who is physically attracted to men, women and animals.
My trisexual beliefs get me in trouble at church and the petting zoo.
by Nick LaRose July 10, 2008
 
6.
Someone who is willing to try anything, that is, a man or woman willing to experiment repeatedly with members of the same sex but who is primarily attracted to the opposite sex. See bicurious.
The word trisexual originated from the TV show Sex in the city.
by OneBadAsp October 27, 2006
 
7.
Someone who likes men, women, transexuals and/or transgenders
"I like men, women, and transgenders"
"You must be a trisexual"
by Dray-dae September 13, 2006