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 gaymale and a lesbian female have sexual intercorse when drunk. It is considered trisex because it is a gay, a lesbian, and heterosexual sex.
Dude, the other night when i got drunk off my ass, i had a little trisex action. Well, not a little...lol!