This word is basically the word "what". Except for the fact that it has four "a"'s and no "t".
Whaaaa is a word to show confusion, shock, or just to show that you have no idea to what just happened. The word "Whaaaa" usually has a question mark behind it.
A soft hearted person, who is always there for her closed ones. She is cute and adorable, and can be a drama queen, but this only adds to her charm. Once she is your, she will always be with you...