You all probably know Mabel's Smile Dip fantasy. Remember the giant puppy in the beginning. Well, I found this video:http://youtu.be/i6cFyj5sN9c
It's the dog's jumbled words reversed. The author of the video says there's nothing there but listen closely and you'll here it. I put this on the Gravity Falls wiki also, if you notice a blog there similar to this.