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."
The act of brown nosing and bending over to take orders at the same time.
Guy 1: You noticed how Bob always brown noses at the office? He is also always wrong and stupid so he has to just bend over and take orders.
Guy 2: Yup, he totally pulls a Brownover.