Myst III: Exile features a very cute creature which is called a Squee. It's used to solve a few puzzles, too!
Is this an example? The trope is about a character letting out an excited, fanboy/girlish squeal, and nothing in the description makes it clear if this species does that or not.
I haven't played the game, so what's the context? If added back in, please rewrite to make it clear that it's an example and not just a coincidence.