A person who is sexually active with men, women, & animals. Typically caught doing lewd, barbaric, sexual acts without remorse.
Guy 1: "What the hell? You see that dude in the bushes getting it on with that gay dude, homeless chick, and the alley cat?!?"
Guy2: "Yeah, he is there every Thursday. Defiantly a Treysexual."
Guy2: "Yeah, he is there every Thursday. Defiantly a Treysexual."
by getp1ssed22 March 8, 2012