A noun used to describe a person that cannot help but lie constantly. A shortened version of this noun may also be known as a "Ro".
Person 1: "Hey Jessica there goes Rozier!"
Person 2: "Oh yeah Ro! He loves to talk about all of his imaginary money, pretend Fiancé's, and fake penis size!"
Person 1: "I know! He can't help but lie. He's a Rozier!"