(Noun) one who has trouble walking due to the extreemly obese condition of their body and must resort to a waddling motion similar to that of a penguin in order to move/walk.
"Hey John, did you see that Ass Penguin buying a fiest at the movies last night?"
a random idea that comes out of know where.
Steve just pulled a penguin out of his ass. (Ass Penguin)