Baka!

Aloha from Hawaii! My parents and I are spending a week on Oahu on our way to Taiwan. I love playing in the sand and water at the beach, but going places means a lot of driving, which I don't like very much. So whenever I think we have arrived somewhere and are going to get out of the car, I happily shout "Baka!" I made this word up all by myself. It might have been inspired by the Chinese for "We've arrived", which is "Dào le", but it really doesn't sound that similar. Sometimes when we pull into a parking lot so I can go potty, I say "Baka!" in a happy voice, but then when I realize we still have to drive more, I get angry and start shouting "Baka!" to mean that I want us to be done driving now!