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.
A term pertaing to when a gay male and a lesbian female have sexual intercorse when drunk. It is considered trisex because it is a gay, a lesbian, and heterosexual sex.
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.