jackass penguin: Meaning and Definition of

jack'ass pen"guin

Pronunciation: [key]
  1. any of several boldly marked black and white penguins of the genus Spheniscus, esp. S. demersus, of southern Africa, with a call resembling a donkey's bray.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.