Mugido (en. Moo)
/muˈxiðo/
Slang Meanings
Refers to a prolonged complaint or lament.
That mooing is nothing more than a complaint about his situation.
Ese mugido no es más que una queja sobre su situación.
Used to describe a whiny tone of voice.
Don't talk with that moo, it sounds very annoying.
No hables con ese mugido, suena muy molesto.