An opposite animal, as defined by the seven-year-old who coined the term, but said "animal" is almost invariably a dog. More specifically, it is a very cute or endearing animal and is synonymous to "skrunkle" or "scrimblo." Usually, the phrase is shortened to "Pup Pup," "Nerg," or "Nergy."
Note: Pronounce any and all forms of this word with a hard G, as in "grass"
What a wonderous Pup Pup Anergy!
Wow, that's a pretty big Nerg!
I've never seen a Nergy like that one!
What a glorious Pup Pup!