meaniac means: A person who displays uncontrollable anger or other aggressive behaviors. (in Community Dictionary, added by Leticia Wong)

What else does meaniac mean?

  • A person who acts insanely while being a mean-spirited individual. A person who is completely insane while still being their normal mean self. Their crazy laugh is often accompanied by such annoying behavior. (in Community Dictionary, added by Balduino Medina)