"A person who likes males, females, and also animals. It doesn`t really make sense, as animals are not a different sex, but it is used this
way. This meaning was originally thought up in Union City, California to define a certain
male. Can be used to just call someone a
name."
1.) "Dude, he`s trisexual."
"What?!"
"Yeah. He broke up with his
girlfriend after he treated her like
shit. And after all that, she still loved him! Rumor is that he`s
bisexual, but then someone saw him touching a dog."