mooncalf: Meaning and Definition of

moon•calf

Pronunciation: (mn'kaf", -käf"), [key]
— pl. -calves.
  1. a congenitally grossly deformed and mentally defective person.
  2. a foolish person.
  3. a person who spends time idly daydreaming.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.