The lying face emoji is a yellow circular face with a long nose, indicating dishonesty or deception. It is often used to express that someone is being dishonest or deceitful. The emoji has a shocked expression, with wide eyes and an open mouth. The long nose is a nod to the classic Pinocchio character, who grew a longer nose every time he told a lie. This emoji can be used in various contexts, such as to call out someone for being dishonest or to express surprise at a false statement. It is a popular emoji used in digital communication to add tone and humor to a message.