A person who uses a fictional character to represent themselves either in real life or on the internet, said character having at least a 50%-to-50% ratio of human-animal physical characteristics. Term is also interchangeable with "Furry."
Friend 1: Dude, You got with that wildebeest?!
Friend 2: Yeah man. But why do you say wildebeest?
Friend 1: She’s hairy AF. I didn’t know you were into beastsheality