I had no idea that was typical of this breed. Mine does that when he wants something or needs to go out.I just saw this commercial on TV. It is so darn cute. Look at that cute chi in the front occasionally lifting one of his leg. Typical chihuahua thing to do...lol. And if you are a Star Wars fan you will like this.
The Bark Side: 2012 Volkswagen Game Day Commercial Teaser - YouTube
That is a cool commercial.