Due to contrary belief, trisexuals are not attracted to any living or nonliving thing. Instead, they are only sexually attracted to the tricerotops dinosaur. Most trisexual prefer horns inside of them instead of dicks.
Well, you have heterosexual meaning straight. Homosexual meaning gay. Now we have Trisexual, where you're not gender orientated. You have no perimeters, and are happy to try pretty much anything.
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.