any of several boldly marked black and white penguins of the genus Spheniscus, especially S. demersus, of southern Africa, with a call resembling a donkey's bray.
Dork, Dweeb, Nerd, And Geek: Which One Are You?There’s a lot of overlap in meanings. Yet, some of these terms have grown up a little more than others and even wriggled away from their negative connotations. In fact, there appears to be a hierarchy to these terms now.
Origin of jackass penguin
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019